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

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

de Longchamps Point = Orthocenter of the Half-cevian Triangle of the de Longchamps Point.

de Longchamps Point = Circumcenter of the Anticomplementary Triangle of the Anticomplementary Triangle.

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

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

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

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

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

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

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

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

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

de Longchamps Point = Reflection of the Nagel Point in the Bevan Point.

de Longchamps Point = Reflection of the Incenter of the Anticomplementary Triangle in the Bevan Point.

de Longchamps Point = Reflection of the Circumcenter of the Anticomplementary Triangle in the Circumcenter.

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

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

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

de Longchamps Point = Inverse of the Skordev Point in the Orthocentroidal Circle.

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

de Longchamps Point = Anticomplement of the Circumcenter of the Anticomplementary Triangle.

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

de Longchamps Point = Anticomplement of the Reflection of the Circumcenter in the Nine-point Center.

de Longchamps Point = Anticomplement of the Reflection of the Bevan Point in the Spieker Center.

de Longchamps Point = Anticomplement of the Reflection of the Centroid in the Center of the Orthocentroidal circle.

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

de Longchamps Point = Anticomplement of the Perspector of Triangle ABC and Euler Triangle.

de Longchamps Point = Anticomplement of the Perspector of the Medial Triangle and Circumcevian Triangle of the Circumcenter.

de Longchamps Point = Anticomplement of the Perspector of the Orthic Triangle and Circum-Orthic Triangle.

de Longchamps Point = Anticomplement of the Perspector of the Orthic Triangle and s-Reflection Triangle of the Orthocenter.

de Longchamps Point = Anticomplement of the Perspector of the Anticomplementary Triangle and s-Reflection Triangle of the Circumcenter.

de Longchamps Point = Anticomplement of the Perspector of the Cyclocevian Triangle of the Centroid and s-Reflection Triangle of the Orthocenter.

de Longchamps Point = Anticomplement of the Perspector of the Orthic Triangle and Reflection Triangle.

de Longchamps Point = Anticomplement of the Perspector of the Circum-Orthic Triangle and Half-Altitude Triangle.

de Longchamps Point = Anticomplement of the Perspector of the Circum-Orthic Triangle and Euler Triangle.

de Longchamps Point = Anticomplement of the Perspector of the Circum-Orthic Triangle and Reflection Triangle.

de Longchamps Point = Anticomplement of the Perspector of the Half-Altitude Triangle and Orthic Triangle.

de Longchamps Point = Anticomplement of the Perspector of the Half-Altitude Triangle and Reflection Triangle.

de Longchamps Point = Anticomplement of the Perspector of the Euler Triangle and Orthic Triangle.

de Longchamps Point = Anticomplement of the Perspector of the Euler Triangle and Half-Altitude Triangle.

de Longchamps Point = Anticomplement of the Perspector of the Euler Triangle and Reflection Triangle.

de Longchamps Point = Anticomplement of the External Similitude Center of the Circumcircle and Nine-Point Circle.

de Longchamps Point = Isogonal Anticomplement of the Circumcenter.

de Longchamps Point = Isogonal Anticomplement of the Orthocenter of the Medial Triangle.

de Longchamps Point = Isogonal Anticomplement of the Nine-Point Center of the Excentral Triangle.

de Longchamps Point = Isogonal Anticomplement of the Nine-Point Center of the Anticomplementary Triangle.

de Longchamps Point = Isogonal Anticomplement of the Circumcenter of the Circum-Incentral Triangle.

de Longchamps Point = Isogonal Anticomplement of the Circumcenter of the Circum-Medial Triangle.

de Longchamps Point = Isogonal Anticomplement of the Circumcenter of the Circum-Orthic Triangle.

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

de Longchamps Point = Isogonal Anticomplement of the Midpoint of the Bevan Point and Incenter.

de Longchamps Point = Isogonal Anticomplement of the Midpoint of the Steiner Point and Tarry Point.

de Longchamps Point = Isogonal Anticomplement of the Reflection of the Center of the Orthocentroidal circle in the Centroid.

de Longchamps Point = Isogonal Anticomplement of the Reflection of the Orthocenter in the Nine-point Center.

de Longchamps Point = Isogonal Anticomplement of the Reflection of the Symmedian Point in the Center of the Brocard circle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of Triangle ABC and Circumcevian Triangle of the Circumcenter.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Medial Triangle and s-Reflection Triangle of the Circumcenter.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Medial Triangle and First Brocard Triangle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Cyclocevian Triangle of the Orthocenter and s-Reflection Triangle of the Circumcenter.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Cyclocevian Triangle of the Orthocenter and First Brocard Triangle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Half-cevian Triangle of the Centroid and Euler Triangle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Medial Triangle and Tangential Triangle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Circum-Incentral Triangle and Medial Triangle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Circum-Incentral Triangle and Tangential Triangle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Circum-Incentral Triangle and First Brocard Triangle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Fuhrmann Triangle and Medial Triangle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the Fuhrmann Triangle and Tangential Triangle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the First Brocard Triangle and Tangential Triangle.

de Longchamps Point = Isogonal Anticomplement of the Perspector of the First Brocard Triangle and Fuhrmann Triangle.

de Longchamps Point = Isotomic Anticomplement of the Symmedian Point of the Anticomplementary Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Centroid.

de Longchamps Point = Cyclocevian Anticomplement of the Centroid of the Medial Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Centroid of the Anticomplementary Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Centroid of the First Brocard Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Midpoint of the Center of the Orthocentroidal circle and Circumcenter.

de Longchamps Point = Cyclocevian Anticomplement of the Reflection of the Center of the Orthocentroidal circle in the Nine-point Center.

de Longchamps Point = Cyclocevian Anticomplement of the Reflection of the Orthocenter in the Center of the Orthocentroidal circle.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of Triangle ABC and Medial Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of Triangle ABC and Anticomplementary Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of Triangle ABC and Pedal Triangle of the Circumcenter.

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

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

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of Triangle ABC and Half-cevian Triangle of the Centroid.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Medial Triangle and Anticomplementary Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Medial Triangle and Antipedal Triangle of the Orthocenter.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Medial Triangle and Half-cevian Triangle of the Centroid.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Symmedial Triangle and Half-cevian Triangle of the Third Brocard Point.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Intouch Triangle and Half-cevian Triangle of the Nagel Point.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Extouch Triangle and Half-cevian Triangle of the Gergonne Point.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Cevian Triangle of the Third Brocard Point and Half-cevian Triangle of the Symmedian Point.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Anticomplementary Triangle and Pedal Triangle of the Circumcenter.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Anticomplementary Triangle and Cyclocevian Triangle of the Orthocenter.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Anticomplementary Triangle and Half-cevian Triangle of the Centroid.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Cyclocevian Triangle of the Orthocenter and Half-cevian Triangle of the Centroid.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Cyclocevian Triangle of the Gergonne Point and Half-cevian Triangle of the Nagel Point.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Anticomplementary Triangle and Circum-Medial Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Anticomplementary Triangle and Fourth Brocard Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Circum-Medial Triangle and Medial Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Circum-Medial Triangle and Fourth Brocard Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the First Brocard Triangle and Second Brocard Triangle.

de Longchamps Point = Cyclocevian Anticomplement of the Perspector of the Fourth Brocard Triangle and Medial Triangle.

de Longchamps Point = Isotomic Conjugate of the Isogonal Conjugate of the Centroid of the Tangential Triangle.

de Longchamps Point = Perspector of the Anticomplementary Triangle and Circumcevian Triangle of the Circumcenter.

de Longchamps Point = Perspector of the Cevian Triangle of the de Longchamps Point and Anticevian Triangle of the de Longchamps Point.

de Longchamps Point = Perspector of the Cevian Triangle of the de Longchamps Point and Circumcevian Triangle of the de Longchamps Point.

de Longchamps Point = Perspector of the Cevian Triangle of the de Longchamps Point and Half-cevian Triangle of the de Longchamps Point.

de Longchamps Point = Perspector of the Anticomplementary Triangle and Pedal Triangle of the de Longchamps Point.

de Longchamps Point = Perspector of the Anticomplementary Triangle and s-Reflection Triangle of the de Longchamps Point.

de Longchamps Point = Perspector of the Anticevian Triangle of the de Longchamps Point and Circumcevian Triangle of the de Longchamps Point.

de Longchamps Point = Perspector of the Anticevian Triangle of the de Longchamps Point and Half-cevian Triangle of the de Longchamps Point.

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

de Longchamps Point = Perspector of the Pedal Triangle of the de Longchamps Point and Circumcevian Triangle of the Circumcenter.

de Longchamps Point = External Similitude Center of the Circumcircle and Circumcircle of the Anticomplementary Triangle.

The de Longchamps Point lies on the Soddy Line.

The de Longchamps Point lies on the Line defined by the Incenter and Center of the Outer Soddy Circlea.

The de Longchamps Point lies on the Line defined by the Incenter and Center of the Inner Soddy Circle.

The de Longchamps Point lies on the Line defined by the Incenter and Outer Eppstein Point.

The de Longchamps Point lies on the Line defined by the Incenter and Inner Eppstein Point.

The de Longchamps Point lies on the Euler Line.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

The de Longchamps Point lies on the Line defined by the Gergonne Point and Center of the Outer Soddy Circlea.

The de Longchamps Point lies on the Line defined by the Gergonne Point and Center of the Inner Soddy Circle.

The de Longchamps Point lies on the Line defined by the Gergonne Point and Outer Eppstein Point.

The de Longchamps Point lies on the Line defined by the Gergonne Point and Inner Eppstein Point.

The de Longchamps Point lies on the Line defined by the Nagel Point and Bevan Point.

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

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

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

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

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

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

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

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

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

The de Longchamps Point lies on the Line defined by the Center of the Outer Soddy Circlea and Center of the Inner Soddy Circle.

The de Longchamps Point lies on the Line defined by the Center of the Outer Soddy Circlea and Outer Eppstein Point.

The de Longchamps Point lies on the Line defined by the Center of the Outer Soddy Circlea and Inner Eppstein Point.

The de Longchamps Point lies on the Line defined by the Center of the Inner Soddy Circle and Outer Eppstein Point.

The de Longchamps Point lies on the Line defined by the Center of the Inner Soddy Circle and Inner Eppstein Point.

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

The de Longchamps Point lies on the Line defined by the Outer Eppstein Point and Inner Eppstein Point.

The de Longchamps Point lies on the Orthocentroidal Circle of the Anticomplementary Triangle.

The de Longchamps Point lies on the Bevan Circle of the Orthic Triangle of the Anticomplementary Triangle.

The de Longchamps Point lies on the Brocard Circle of the Anticomplementary Triangle of the Anticomplementary Triangle.

The de Longchamps Point lies on the Orthocentroidal Circle of the Euler Triangle of the Anticomplementary Triangle.

The de Longchamps Point lies on the Circumcircle of the Fuhrmann Triangle of the Anticomplementary Triangle.

The de Longchamps Point lies on the Circumcircle of the Fourth Brocard Triangle of the Anticomplementary Triangle.