Orthocenter = de Longchamps Point of the Medial Triangle.

Orthocenter = Circumcenter of the Anticomplementary Triangle.

Orthocenter = de Longchamps Point of the Pedal Triangle of the Circumcenter.

Orthocenter = Circumcenter of the Antipedal Triangle of the Orthocenter.

Orthocenter = de Longchamps Point of the Circumcevian Triangle of the Circumcenter.

Orthocenter = de Longchamps Point of the Cyclocevian Triangle of the Orthocenter.

Orthocenter = Circumcenter of the s-Reflection Triangle of the Circumcenter.

Orthocenter = Orthocenter of the Euler Triangle.

Orthocenter = Orthocenter of the Medial Triangle of the Anticomplementary Triangle.

Orthocenter = de Longchamps Point of the Medial Triangle of the Euler Triangle.

Orthocenter = Nine-Point Center of the Excentral Triangle of the Anticomplementary Triangle.

Orthocenter = Nine-Point Center of the Anticomplementary Triangle of the Anticomplementary Triangle.

Orthocenter = Circumcenter of the Anticomplementary Triangle of the Euler Triangle.

Orthocenter = Feuerbach Point of the Tangential Triangle of the Fuhrmann Triangle.

Orthocenter = Tarry Point of the Anticomplementary Triangle of the First Brocard Triangle.

Orthocenter = Circumcenter of the Circum-Incentral Triangle of the Anticomplementary Triangle.

Orthocenter = Circumcenter of the Circum-Medial Triangle of the Anticomplementary Triangle.

Orthocenter = Circumcenter of the Circum-Orthic Triangle of the Anticomplementary Triangle.

Orthocenter = de Longchamps Point of the Euler Triangle of the Anticomplementary Triangle.

Orthocenter = Tarry Point of the First Brocard Triangle of the Anticomplementary Triangle.

Orthocenter = Orthocenter of the Euler Triangle of the Euler Triangle.

Orthocenter = Far-out Point of the First Brocard Triangle of the Fuhrmann Triangle.

Orthocenter = Reflection of the Incenter in the Incenter of the Euler Triangle.

Orthocenter = Reflection of the Centroid in the Centroid of the Euler Triangle.

Orthocenter = Reflection of the Circumcenter in the Nine-point Center.

Orthocenter = Reflection of the Circumcenter in the Circumcenter of the Orthic Triangle.

Orthocenter = Reflection of the Circumcenter in the Circumcenter of the Euler Triangle.

Orthocenter = Reflection of the Circumcenter in the Circumcenter of the Feuerbach Triangle.

Orthocenter = Reflection of the Symmedian Point in the Symmedian Point of the Euler Triangle.

Orthocenter = Reflection of the Gergonne Point in the Gergonne Point of the Euler Triangle.

Orthocenter = Reflection of the Nagel Point in the Nagel Point of the Euler Triangle.

Orthocenter = Reflection of the Bevan Point in the Spieker Center.

Orthocenter = Reflection of the Center of the Apollonius Circle in the Center of the Apollonius Circle of the Euler Triangle.

Orthocenter = Reflection of the Circumcenter of the Orthic Triangle in the Nine-Point Center of the Euler Triangle.

Orthocenter = Reflection of the Circumcenter of the Intouch Triangle in the Incenter of the Euler Triangle.

Orthocenter = Reflection of the Nine-Point Center of the Excentral Triangle in the Nine-point Center.

Orthocenter = Reflection of the Incenter of the Anticomplementary Triangle in the Nagel Point of the Euler Triangle.

Orthocenter = Reflection of the Centroid of the Anticomplementary Triangle in the Centroid of the Euler Triangle.

Orthocenter = Reflection of the Circumcenter of the Anticomplementary Triangle in the Orthocenter.

Orthocenter = Reflection of the Circumcenter of the Anticomplementary Triangle in the Orthocenter of the Euler Triangle.

Orthocenter = Reflection of the Nine-Point Center of the Anticomplementary Triangle in the Nine-point Center.

Orthocenter = Reflection of the Circumcenter of the Euler Triangle in the Nine-Point Center of the Euler Triangle.

Orthocenter = Reflection of the Circumcenter of the Feuerbach Triangle in the Nine-Point Center of the Euler Triangle.

Orthocenter = Reflection of the Centroid in the Center of the Orthocentroidal circle.

Orthocenter = Reflection of the Nine-point Center in the Nine-Point Center of the Euler Triangle.

Orthocenter = Reflection of the de Longchamps Point in the Circumcenter.

Orthocenter = Reflection of the de Longchamps Point in the Orthocenter of the Medial Triangle.

Orthocenter = Reflection of the de Longchamps Point in the Nine-Point Center of the Excentral Triangle.

Orthocenter = Reflection of the de Longchamps Point in the Nine-Point Center of the Anticomplementary Triangle.

Orthocenter = Reflection of the Centroid of the Medial Triangle in the Center of the Orthocentroidal circle.

Orthocenter = Reflection of the Centroid of the Medial Triangle in the Centroid of the Euler Triangle.

Orthocenter = Reflection of the Orthocenter of the Medial Triangle in the Nine-point Center.

Orthocenter = Reflection of the Orthocenter of the Medial Triangle in the Circumcenter of the Orthic Triangle.

Orthocenter = Reflection of the Orthocenter of the Medial Triangle in the Circumcenter of the Euler Triangle.

Orthocenter = Reflection of the Orthocenter of the Medial Triangle in the Circumcenter of the Feuerbach Triangle.

Orthocenter = Reflection of the Nagel Point of the Medial Triangle in the Incenter of the Euler Triangle.

Orthocenter = Reflection of the Symmedian Point of the Intouch Triangle in the Gergonne Point of the Euler Triangle.

Orthocenter = Reflection of the Orthocenter of the Excentral Triangle in the Incenter of the Euler Triangle.

Orthocenter = Reflection of the Nine-Point Center of the Excentral Triangle in the Circumcenter of the Orthic Triangle.

Orthocenter = Reflection of the Nine-Point Center of the Excentral Triangle in the Circumcenter of the Euler Triangle.

Orthocenter = Reflection of the Nine-Point Center of the Excentral Triangle in the Circumcenter of the Feuerbach Triangle.

Orthocenter = Reflection of the Centroid of the Anticomplementary Triangle in the Center of the Orthocentroidal circle.

Orthocenter = Reflection of the Nine-Point Center of the Anticomplementary Triangle in the Circumcenter of the Orthic Triangle.

Orthocenter = Reflection of the Nine-Point Center of the Anticomplementary Triangle in the Circumcenter of the Euler Triangle.

Orthocenter = Reflection of the Nine-Point Center of the Anticomplementary Triangle in the Circumcenter of the Feuerbach Triangle.

Orthocenter = Reflection of the Orthocenter of the Euler Triangle in the Orthocenter.

Orthocenter = Reflection of the Orthocenter of the Euler Triangle in the Circumcenter of the Anticomplementary Triangle.

Orthocenter = Inverse of the Circumcenter in the Orthocentroidal Circle of the Anticomplementary Triangle.

Orthocenter = Harmonic Congugate of the Centroid with respect to the Circumcenter and Nine-point Center.

Orthocenter = Complement of the de Longchamps Point.

Orthocenter = Complement of the Orthocenter of the Anticomplementary Triangle.

Orthocenter = Complement of the Reflection of the Orthocenter in the Circumcenter.

Orthocenter = Complement of the Reflection of the Nagel Point in the Bevan Point.

Orthocenter = Complement of the Perspector of the Anticomplementary Triangle and Circumcevian Triangle of the Circumcenter.

Orthocenter = Anticomplement of the Circumcenter.

Orthocenter = Anticomplement of the Orthocenter of the Medial Triangle.

Orthocenter = Anticomplement of the Nine-Point Center of the Excentral Triangle.

Orthocenter = Anticomplement of the Nine-Point Center of the Anticomplementary Triangle.

Orthocenter = Anticomplement of the Circumcenter of the Circum-Incentral Triangle.

Orthocenter = Anticomplement of the Circumcenter of the Circum-Medial Triangle.

Orthocenter = Anticomplement of the Circumcenter of the Circum-Orthic Triangle.

Orthocenter = Anticomplement of the Midpoint of the Orthocenter and de Longchamps Point.

Orthocenter = Anticomplement of the Midpoint of the Bevan Point and Incenter.

Orthocenter = Anticomplement of the Midpoint of the Steiner Point and Tarry Point.

Orthocenter = Anticomplement of the Reflection of the Center of the Orthocentroidal circle in the Centroid.

Orthocenter = Anticomplement of the Reflection of the Orthocenter in the Nine-point Center.

Orthocenter = Anticomplement of the Reflection of the Symmedian Point in the Center of the Brocard circle.

Orthocenter = Anticomplement of the Perspector of Triangle ABC and Circumcevian Triangle of the Circumcenter.

Orthocenter = Anticomplement of the Perspector of the Medial Triangle and s-Reflection Triangle of the Circumcenter.

Orthocenter = Anticomplement of the Perspector of the Medial Triangle and First Brocard Triangle.

Orthocenter = Anticomplement of the Perspector of the Cyclocevian Triangle of the Orthocenter and s-Reflection Triangle of the Circumcenter.

Orthocenter = Anticomplement of the Perspector of the Cyclocevian Triangle of the Orthocenter and First Brocard Triangle.

Orthocenter = Anticomplement of the Perspector of the Half-cevian Triangle of the Centroid and Euler Triangle.

Orthocenter = Anticomplement of the Perspector of the Medial Triangle and Tangential Triangle.

Orthocenter = Anticomplement of the Perspector of the Circum-Incentral Triangle and Medial Triangle.

Orthocenter = Anticomplement of the Perspector of the Circum-Incentral Triangle and Tangential Triangle.

Orthocenter = Anticomplement of the Perspector of the Circum-Incentral Triangle and First Brocard Triangle.

Orthocenter = Anticomplement of the Perspector of the Fuhrmann Triangle and Medial Triangle.

Orthocenter = Anticomplement of the Perspector of the Fuhrmann Triangle and Tangential Triangle.

Orthocenter = Anticomplement of the Perspector of the First Brocard Triangle and Tangential Triangle.

Orthocenter = Anticomplement of the Perspector of the First Brocard Triangle and Fuhrmann Triangle.

Orthocenter = Isogonal Conjugate of the Circumcenter.

Orthocenter = Isogonal Conjugate of the Orthocenter of the Medial Triangle.

Orthocenter = Isogonal Conjugate of the Nine-Point Center of the Excentral Triangle.

Orthocenter = Isogonal Conjugate of the Nine-Point Center of the Anticomplementary Triangle.

Orthocenter = Isogonal Conjugate of the Circumcenter of the Circum-Incentral Triangle.

Orthocenter = Isogonal Conjugate of the Circumcenter of the Circum-Medial Triangle.

Orthocenter = Isogonal Conjugate of the Circumcenter of the Circum-Orthic Triangle.

Orthocenter = Isogonal Conjugate of the Midpoint of the Orthocenter and de Longchamps Point.

Orthocenter = Isogonal Conjugate of the Midpoint of the Bevan Point and Incenter.

Orthocenter = Isogonal Conjugate of the Midpoint of the Steiner Point and Tarry Point.

Orthocenter = Isogonal Conjugate of the Reflection of the Center of the Orthocentroidal circle in the Centroid.

Orthocenter = Isogonal Conjugate of the Reflection of the Orthocenter in the Nine-point Center.

Orthocenter = Isogonal Conjugate of the Reflection of the Symmedian Point in the Center of the Brocard circle.

Orthocenter = Isogonal Conjugate of the Perspector of Triangle ABC and Circumcevian Triangle of the Circumcenter.

Orthocenter = Isogonal Conjugate of the Perspector of the Medial Triangle and s-Reflection Triangle of the Circumcenter.

Orthocenter = Isogonal Conjugate of the Perspector of the Medial Triangle and First Brocard Triangle.

Orthocenter = Isogonal Conjugate of the Perspector of the Cyclocevian Triangle of the Orthocenter and s-Reflection Triangle of the Circumcenter.

Orthocenter = Isogonal Conjugate of the Perspector of the Cyclocevian Triangle of the Orthocenter and First Brocard Triangle.

Orthocenter = Isogonal Conjugate of the Perspector of the Half-cevian Triangle of the Centroid and Euler Triangle.

Orthocenter = Isogonal Conjugate of the Perspector of the Medial Triangle and Tangential Triangle.

Orthocenter = Isogonal Conjugate of the Perspector of the Circum-Incentral Triangle and Medial Triangle.

Orthocenter = Isogonal Conjugate of the Perspector of the Circum-Incentral Triangle and Tangential Triangle.

Orthocenter = Isogonal Conjugate of the Perspector of the Circum-Incentral Triangle and First Brocard Triangle.

Orthocenter = Isogonal Conjugate of the Perspector of the Fuhrmann Triangle and Medial Triangle.

Orthocenter = Isogonal Conjugate of the Perspector of the Fuhrmann Triangle and Tangential Triangle.

Orthocenter = Isogonal Conjugate of the Perspector of the First Brocard Triangle and Tangential Triangle.

Orthocenter = Isogonal Conjugate of the Perspector of the First Brocard Triangle and Fuhrmann Triangle.

Orthocenter = Isotomic Conjugate of the Symmedian Point of the Anticomplementary Triangle.

Orthocenter = Cyclocevian Conjugate of the Centroid.

Orthocenter = Cyclocevian Conjugate of the Centroid of the Medial Triangle.

Orthocenter = Cyclocevian Conjugate of the Centroid of the Anticomplementary Triangle.

Orthocenter = Cyclocevian Conjugate of the Centroid of the First Brocard Triangle.

Orthocenter = Cyclocevian Conjugate of the Midpoint of the Center of the Orthocentroidal circle and Circumcenter.

Orthocenter = Cyclocevian Conjugate of the Reflection of the Center of the Orthocentroidal circle in the Nine-point Center.

Orthocenter = Cyclocevian Conjugate of the Reflection of the Orthocenter in the Center of the Orthocentroidal circle.

Orthocenter = Cyclocevian Conjugate of the Perspector of Triangle ABC and Medial Triangle.

Orthocenter = Cyclocevian Conjugate of the Perspector of Triangle ABC and Anticomplementary Triangle.

Orthocenter = Cyclocevian Conjugate of the Perspector of Triangle ABC and Pedal Triangle of the Circumcenter.

Orthocenter = Cyclocevian Conjugate of the Perspector of Triangle ABC and Antipedal Triangle of the Orthocenter.

Orthocenter = Cyclocevian Conjugate of the Perspector of Triangle ABC and Cyclocevian Triangle of the Orthocenter.

Orthocenter = Cyclocevian Conjugate of the Perspector of Triangle ABC and Half-cevian Triangle of the Centroid.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Medial Triangle and Anticomplementary Triangle.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Medial Triangle and Antipedal Triangle of the Orthocenter.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Medial Triangle and Half-cevian Triangle of the Centroid.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Symmedial Triangle and Half-cevian Triangle of the Third Brocard Point.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Intouch Triangle and Half-cevian Triangle of the Nagel Point.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Extouch Triangle and Half-cevian Triangle of the Gergonne Point.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Cevian Triangle of the Third Brocard Point and Half-cevian Triangle of the Symmedian Point.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Anticomplementary Triangle and Pedal Triangle of the Circumcenter.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Anticomplementary Triangle and Cyclocevian Triangle of the Orthocenter.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Anticomplementary Triangle and Half-cevian Triangle of the Centroid.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Cyclocevian Triangle of the Orthocenter and Half-cevian Triangle of the Centroid.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Cyclocevian Triangle of the Gergonne Point and Half-cevian Triangle of the Nagel Point.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Anticomplementary Triangle and Circum-Medial Triangle.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Anticomplementary Triangle and Fourth Brocard Triangle.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Circum-Medial Triangle and Medial Triangle.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Circum-Medial Triangle and Fourth Brocard Triangle.

Orthocenter = Cyclocevian Conjugate of the Perspector of the First Brocard Triangle and Second Brocard Triangle.

Orthocenter = Cyclocevian Conjugate of the Perspector of the Fourth Brocard Triangle and Medial Triangle.

Orthocenter = Isogonal Anticomplement of the Orthocenter.

Orthocenter = Isogonal Anticomplement of the Circumcenter of the Anticomplementary Triangle.

Orthocenter = Isogonal Anticomplement of the Orthocenter of the Euler Triangle.

Orthocenter = Isogonal Anticomplement of the Reflection of the Circumcenter in the Nine-point Center.

Orthocenter = Isogonal Anticomplement of the Reflection of the Bevan Point in the Spieker Center.

Orthocenter = Isogonal Anticomplement of the Reflection of the Centroid in the Center of the Orthocentroidal circle.

Orthocenter = Isogonal Anticomplement of the Reflection of the de Longchamps Point in the Circumcenter.

Orthocenter = Isogonal Anticomplement of the Perspector of Triangle ABC and Euler Triangle.

Orthocenter = Isogonal Anticomplement of the Perspector of the Medial Triangle and Circumcevian Triangle of the Circumcenter.

Orthocenter = Isogonal Anticomplement of the Perspector of the Orthic Triangle and Circum-Orthic Triangle.

Orthocenter = Isogonal Anticomplement of the Perspector of the Orthic Triangle and s-Reflection Triangle of the Orthocenter.

Orthocenter = Isogonal Anticomplement of the Perspector of the Anticomplementary Triangle and s-Reflection Triangle of the Circumcenter.

Orthocenter = Isogonal Anticomplement of the Perspector of the Cyclocevian Triangle of the Centroid and s-Reflection Triangle of the Orthocenter.

Orthocenter = Isogonal Anticomplement of the Perspector of the Orthic Triangle and Reflection Triangle.

Orthocenter = Isogonal Anticomplement of the Perspector of the Circum-Orthic Triangle and Half-Altitude Triangle.

Orthocenter = Isogonal Anticomplement of the Perspector of the Circum-Orthic Triangle and Euler Triangle.

Orthocenter = Isogonal Anticomplement of the Perspector of the Circum-Orthic Triangle and Reflection Triangle.

Orthocenter = Isogonal Anticomplement of the Perspector of the Half-Altitude Triangle and Orthic Triangle.

Orthocenter = Isogonal Anticomplement of the Perspector of the Half-Altitude Triangle and Reflection Triangle.

Orthocenter = Isogonal Anticomplement of the Perspector of the Euler Triangle and Orthic Triangle.

Orthocenter = Isogonal Anticomplement of the Perspector of the Euler Triangle and Half-Altitude Triangle.

Orthocenter = Isogonal Anticomplement of the Perspector of the Euler Triangle and Reflection Triangle.

Orthocenter = Isogonal Anticomplement of the External Similitude Center of the Circumcircle and Nine-Point Circle.

Orthocenter = Isotomic Conjugate of the Isogonal Conjugate of the Perspector of the Orthic Triangle and Tangential Triangle.

Orthocenter = Isotomic Conjugate of the Isogonal Conjugate of the Perspector of the Orthic Triangle and Antipedal Triangle of the Circumcenter.

Orthocenter = Isotomic Conjugate of the Isogonal Conjugate of the Perspector of the Tangential Triangle and Pedal Triangle of the Orthocenter.

Orthocenter = Isotomic Conjugate of the Isogonal Conjugate of the Perspector of the Tangential Triangle and Cyclocevian Triangle of the Centroid.

Orthocenter = Perspector of Triangle ABC and Euler Triangle.

Orthocenter = Perspector of the Medial Triangle and Circumcevian Triangle of the Circumcenter.

Orthocenter = Perspector of the Orthic Triangle and Circum-Orthic Triangle.

Orthocenter = Perspector of the Orthic Triangle and s-Reflection Triangle of the Orthocenter.

Orthocenter = Perspector of the Anticomplementary Triangle and s-Reflection Triangle of the Circumcenter.

Orthocenter = Perspector of the Circumcevian Triangle of the Circumcenter and Medial Triangle.

Orthocenter = Perspector of the Circumcevian Triangle of the Circumcenter and Pedal Triangle of the Circumcenter.

Orthocenter = Perspector of the Circumcevian Triangle of the Circumcenter and Cyclocevian Triangle of the Orthocenter.

Orthocenter = Perspector of the Circum-Orthic Triangle and Orthic Triangle.

Orthocenter = Perspector of the Circum-Orthic Triangle and Pedal Triangle of the Orthocenter.

Orthocenter = Perspector of the Circum-Orthic Triangle and Cyclocevian Triangle of the Centroid.

Orthocenter = Perspector of the Cyclocevian Triangle of the Centroid and s-Reflection Triangle of the Orthocenter.

Orthocenter = Perspector of Triangle ABC and Anticomplementary Triangle of the First Brocard Triangle.

Orthocenter = Perspector of Triangle ABC and Circum-Orthic Triangle of the Fuhrmann Triangle.

Orthocenter = Perspector of Triangle ABC and Half-Altitude Triangle of the Euler Triangle.

Orthocenter = Perspector of Triangle ABC and First Brocard Triangle of the Anticomplementary Triangle.

Orthocenter = Perspector of Triangle ABC and Euler Triangle of the Euler Triangle.

Orthocenter = Perspector of Triangle ABC and Pedal Triangle of the Orthocenter.

Orthocenter = Perspector of Triangle ABC and Antipedal Triangle of the de Longchamps Point.

Orthocenter = Perspector of Triangle ABC and s-Reflection Triangle of the Orthocenter.

Orthocenter = Perspector of Triangle ABC and Reflection Triangle.

Orthocenter = Perspector of the Orthic Triangle and Anticevian Triangle of the Orthocenter.

Orthocenter = Perspector of the Orthic Triangle and Antipedal Triangle of the de Longchamps Point.

Orthocenter = Perspector of the Orthic Triangle and Half-Altitude Triangle.

Orthocenter = Perspector of the Orthic Triangle and Euler Triangle.

Orthocenter = Perspector of the Orthic Triangle and Reflection Triangle.

Orthocenter = Perspector of the Anticevian Triangle of the Orthocenter and Pedal Triangle of the Orthocenter.

Orthocenter = Perspector of the Anticevian Triangle of the Orthocenter and Circum-Orthic Triangle.

Orthocenter = Perspector of the Anticevian Triangle of the Orthocenter and Cyclocevian Triangle of the Centroid.

Orthocenter = Perspector of the Anticevian Triangle of the Orthocenter and Half-Altitude Triangle.

Orthocenter = Perspector of the Anticevian Triangle of the Orthocenter and s-Reflection Triangle of the Orthocenter.

Orthocenter = Perspector of the Anticevian Triangle of the Orthocenter and Euler Triangle.

Orthocenter = Perspector of the Anticevian Triangle of the Orthocenter and Reflection Triangle.

Orthocenter = Perspector of the Tangential Triangle and s-Reflection Triangle of the Kosnita Point.

Orthocenter = Perspector of the Pedal Triangle of the Orthocenter and Antipedal Triangle of the de Longchamps Point.

Orthocenter = Perspector of the Pedal Triangle of the Orthocenter and Half-Altitude Triangle.

Orthocenter = Perspector of the Pedal Triangle of the Orthocenter and Euler Triangle.

Orthocenter = Perspector of the Pedal Triangle of the Orthocenter and Reflection Triangle.

Orthocenter = Perspector of the Cyclocevian Triangle of the Centroid and Half-Altitude Triangle.

Orthocenter = Perspector of the Cyclocevian Triangle of the Centroid and Euler Triangle.

Orthocenter = Perspector of the Cyclocevian Triangle of the Centroid and Reflection Triangle.

Orthocenter = Perspector of the Half-Altitude Triangle and s-Reflection Triangle of the Orthocenter.

Orthocenter = Perspector of the Half-Altitude Triangle and Euler Triangle.

Orthocenter = Perspector of the Half-Altitude Triangle and Reflection Triangle.

Orthocenter = Perspector of the Euler Triangle and Reflection Triangle.

Orthocenter = Perspector of Triangle ABC and Anticevian Triangle of the Nine-point Center of the Excentral Triangle.

Orthocenter = Perspector of Triangle ABC and Tangential Triangle of the Anticomplementary Triangle.

Orthocenter = Perspector of Triangle ABC and Reflection Triangle of the Euler Triangle.

Orthocenter = Perspector of Triangle ABC and Orthic Triangle of the Euler Triangle.

Orthocenter = Perspector of Triangle ABC and Fuhrmann Triangle of the Anticomplementary Triangle.

Orthocenter = Perspector of Triangle ABC and Anticevian Triangle of the Orthocenter of the Euler Triangle.

Orthocenter = External Similitude Center of the Circumcircle and Nine-Point Circle.

Orthocenter = External Similitude Center of the Circumcircle and Circumcircle of the Orthic Triangle.

Orthocenter = External Similitude Center of the Circumcircle and Circumcircle of the Euler Triangle.

Orthocenter = External Similitude Center of the Circumcircle and Circumcircle of the Feuerbach Triangle.

Orthocenter = External Similitude Center of the Nine-Point Circle and Nine-Point Circle of the Excentral Triangle.

Orthocenter = External Similitude Center of the Nine-Point Circle and Nine-Point Circle of the Anticomplementary Triangle.

Orthocenter = External Similitude Center of the Nine-Point Circle and Circumcircle of the Circum-Incentral Triangle.

Orthocenter = External Similitude Center of the Nine-Point Circle and Circumcircle of the Circum-Medial Triangle.

Orthocenter = External Similitude Center of the Nine-Point Circle and Circumcircle of the Circum-Orthic Triangle.

Orthocenter = External Similitude Center of the Radical Circle of the Excircles and Radical Circle of the Excircles of the Euler Triangle.

Orthocenter = External Similitude Center of the Spieker Circle and Spieker Circle of the Euler Triangle.

Orthocenter = External Similitude Center of the Apollonius Circle and Apollonius Circle of the Euler Triangle.

Orthocenter = External Similitude Center of the Incircle of the Orthic Triangle and Incircle of the Circum-Orthic Triangle.

Orthocenter = External Similitude Center of the Circumcircle of the Orthic Triangle and Nine-Point Circle of the Excentral Triangle.

Orthocenter = External Similitude Center of the Circumcircle of the Orthic Triangle and Nine-Point Circle of the Anticomplementary Triangle.

Orthocenter = External Similitude Center of the Circumcircle of the Orthic Triangle and Circumcircle of the Circum-Incentral Triangle.

Orthocenter = External Similitude Center of the Circumcircle of the Orthic Triangle and Circumcircle of the Circum-Medial Triangle.

Orthocenter = External Similitude Center of the Circumcircle of the Orthic Triangle and Circumcircle of the Circum-Orthic Triangle.

Orthocenter = External Similitude Center of the Spieker Circle of the Orthic Triangle and Spieker Circle of the Circum-Orthic Triangle.

The Orthocenter lies on the Euler Line.

The Orthocenter lies on the Line defined by the Centroid and Nine-point Center.

The Orthocenter lies on the Line defined by the Centroid and de Longchamps Point.

The Orthocenter lies on the Line defined by the Centroid and Schiffler Point.

The Orthocenter lies on the Line defined by the Centroid and Exeter Point.

The Orthocenter lies on the Line defined by the Centroid and Far-out Point.

The Orthocenter lies on the Line defined by the Centroid and Center of the Orthocentroidal circle.

The Orthocenter lies on the Line defined by the Centroid and Skordev Point.

The Orthocenter lies on the Line defined by the Circumcenter and Nine-point Center.

The Orthocenter lies on the Line defined by the Circumcenter and de Longchamps Point.

The Orthocenter lies on the Line defined by the Circumcenter and Schiffler Point.

The Orthocenter lies on the Line defined by the Circumcenter and Exeter Point.

The Orthocenter lies on the Line defined by the Circumcenter and Far-out Point.

The Orthocenter lies on the Line defined by the Circumcenter and Center of the Orthocentroidal circle.

The Orthocenter lies on the Line defined by the Circumcenter and Skordev Point.

The Orthocenter lies on the Line defined by the Nine-point Center and de Longchamps Point.

The Orthocenter lies on the Line defined by the Nine-point Center and Schiffler Point.

The Orthocenter lies on the Line defined by the Nine-point Center and Exeter Point.

The Orthocenter lies on the Line defined by the Nine-point Center and Far-out Point.

The Orthocenter lies on the Line defined by the Nine-point Center and Center of the Orthocentroidal circle.

The Orthocenter lies on the Line defined by the Nine-point Center and Skordev Point.

The Orthocenter lies on the Line defined by the Mittenpunkt and Spieker Center.

The Orthocenter lies on the Line defined by the Mittenpunkt and Clawson Point.

The Orthocenter lies on the Line defined by the Mittenpunkt and Bevan Point.

The Orthocenter lies on the Line defined by the Spieker Center and Clawson Point.

The Orthocenter lies on the Line defined by the Spieker Center and Bevan Point.

The Orthocenter lies on the Line defined by the Feuerbach Point and External Center of Similitude of Circumcircle and Incircle.

The Orthocenter lies on the Line defined by the Second Feuerbach Point and Internal Center of Similitude of Circumcircle and Incircle.

The Orthocenter lies on the Line defined by the First Isodynamic Point and First Napoleon Point.

The Orthocenter lies on the Line defined by the Second Isodynamic Point and Second Napoleon Point.

The Orthocenter lies on the Line defined by the Clawson Point and Bevan Point.

The Orthocenter lies on the Line defined by the de Longchamps Point and Schiffler Point.

The Orthocenter lies on the Line defined by the de Longchamps Point and Exeter Point.

The Orthocenter lies on the Line defined by the de Longchamps Point and Far-out Point.

The Orthocenter lies on the Line defined by the de Longchamps Point and Center of the Orthocentroidal circle.

The Orthocenter lies on the Line defined by the de Longchamps Point and Skordev Point.

The Orthocenter lies on the Line defined by the Schiffler Point and Exeter Point.

The Orthocenter lies on the Line defined by the Schiffler Point and Far-out Point.

The Orthocenter lies on the Line defined by the Schiffler Point and Center of the Orthocentroidal circle.

The Orthocenter lies on the Line defined by the Schiffler Point and Skordev Point.

The Orthocenter lies on the Line defined by the Exeter Point and Far-out Point.

The Orthocenter lies on the Line defined by the Exeter Point and Center of the Orthocentroidal circle.

The Orthocenter lies on the Line defined by the Exeter Point and Skordev Point.

The Orthocenter lies on the Line defined by the Far-out Point and Center of the Orthocentroidal circle.

The Orthocenter lies on the Line defined by the Far-out Point and Skordev Point.

The Orthocenter lies on the Line defined by the Center of the Orthocentroidal circle and Skordev Point.

The Orthocenter lies on the Orthocentroidal Circle.

The Orthocenter lies on the Bevan Circle of the Orthic Triangle.

The Orthocenter lies on the Brocard Circle of the Anticomplementary Triangle.

The Orthocenter lies on the Orthocentroidal Circle of the Euler Triangle.

The Orthocenter lies on the Fuhrmann Circle.

The Orthocenter lies on the Circumcircle of the Fourth Brocard Triangle.

The Orthocenter lies on the Orthocentroidal Circle of the Orthic Triangle of the Excentral Triangle.

The Orthocenter lies on the Orthocentroidal Circle of the Medial Triangle of the Anticomplementary Triangle.

The Orthocenter lies on the Bevan Circle of the Orthic Triangle of the Euler Triangle.

The Orthocenter lies on the Bevan Circle of the Orthic Triangle of the Fuhrmann Triangle.

The Orthocenter lies on the Orthocentroidal Circle of the Anticomplementary Triangle of the Medial Triangle.

The Orthocenter lies on the Circumcircle of the Excentral Triangle of the Orthic Triangle.

The Orthocenter lies on the Orthocentroidal Circle of the Tangential Triangle of the Intouch Triangle.

The Orthocenter lies on the Bevan Circle of the Tangential Triangle of the Anticomplementary Triangle.

The Orthocenter lies on the Circumcircle of the Excentral Triangle of the Circum-Orthic Triangle.

The Orthocenter lies on the Brocard Circle of the Anticomplementary Triangle of the Euler Triangle.

The Orthocenter lies on the Nine-Point Circle of the Excentral Triangle of the Fuhrmann Triangle.

The Orthocenter lies on the Nine-Point Circle of the Anticomplementary Triangle of the Fuhrmann Triangle.

The Orthocenter lies on the Incircle of the Tangential Triangle of the Fuhrmann Triangle.

The Orthocenter lies on the Nine-Point Circle of the Tangential Triangle of the Fuhrmann Triangle.

The Orthocenter lies on the Circumcircle of the Anticomplementary Triangle of the First Brocard Triangle.

The Orthocenter lies on the Nine-Point Circle of the Excentral Triangle of the Fourth Brocard Triangle.

The Orthocenter lies on the Nine-Point Circle of the Anticomplementary Triangle of the Fourth Brocard Triangle.

The Orthocenter lies on the Circumcircle of the First Brocard Triangle of the Anticomplementary Triangle.

The Orthocenter lies on the Circumcircle of the Second Brocard Triangle of the Anticomplementary Triangle.

The Orthocenter lies on the Orthocentroidal Circle of the Euler Triangle of the Euler Triangle.

The Orthocenter lies on the Circumcircle of the Fuhrmann Triangle of the Euler Triangle.

The Orthocenter lies on the Circumcircle of the Fourth Brocard Triangle of the Euler Triangle.

The Orthocenter lies on the Orthocentroidal Circle of the Extangents Triangle of the Yff Central Triangle.

The Orthocenter lies on the Inverse circle of the Orthocentroidal Circle in the Bevan Circle of the Orthic Triangle.

The Orthocenter lies on the Inverse circle of the Orthocentroidal Circle in the Brocard Circle of the Anticomplementary Triangle.

The Orthocenter lies on the Inverse circle of the Brocard Circle in the Orthocentroidal Circle of the Anticomplementary Triangle.

The Orthocenter lies on the Inverse circle of the Orthocentroidal Circle in the Orthocentroidal Circle of the Euler Triangle.

The Orthocenter lies on the Inverse circle of the Orthocentroidal Circle in the Fuhrmann Circle.

The Orthocenter lies on the Inverse circle of the Orthocentroidal Circle in the Circumcircle of the Fourth Brocard Triangle.

The Orthocenter lies on the Inverse circle of the Bevan Circle of the Orthic Triangle in the Orthocentroidal Circle.

The Orthocenter lies on the Inverse circle of the Brocard Circle of the Anticomplementary Triangle in the Orthocentroidal Circle.

The Orthocenter lies on the Inverse circle of the Bevan Circle of the Circum-Orthic Triangle in the Orthocentroidal Circle.

The Orthocenter lies on the Inverse circle of the Fuhrmann Circle in the Orthocentroidal Circle.

The Orthocenter lies on the Inverse circle of the Circumcircle of the Fourth Brocard Triangle in the Orthocentroidal Circle.