Nine-Point Circle = Circumcircle of the Orthic Triangle.

Nine-Point Circle = Circumcircle of the Euler Triangle.

Nine-Point Circle = Circumcircle of the Feuerbach Triangle.

Nine-Point Circle = Bevan Circle of the Orthic Triangle of the Orthic Triangle.

Nine-Point Circle = Bevan Circle of the Orthic Triangle of the Feuerbach Triangle.

Nine-Point Circle = Nine-Point Circle of the Excentral Triangle of the Medial Triangle.

Nine-Point Circle = Nine-Point Circle of the Excentral Triangle of the Orthic Triangle.

Nine-Point Circle = Nine-Point Circle of the Anticomplementary Triangle of the Orthic Triangle.

Nine-Point Circle = Incircle of the Tangential Triangle of the Orthic Triangle.

Nine-Point Circle = Nine-Point Circle of the Excentral Triangle of the Euler Triangle.

Nine-Point Circle = Nine-Point Circle of the Anticomplementary Triangle of the Euler Triangle.

Nine-Point Circle = Nine-Point Circle of the Excentral Triangle of the Feuerbach Triangle.

Nine-Point Circle = Nine-Point Circle of the Anticomplementary Triangle of the Feuerbach Triangle.

Nine-Point Circle = Incircle of the Tangential Triangle of the Feuerbach Triangle.

Nine-Point Circle = Inverse of the Apollonius Circle in the Radical Circle of the Excircles.

The Nine-Point Circle is concentric to the Nine-Point Circle of the Fuhrmann Triangle.

The Nine-Point Circle is concentric to the Circumcircle of the Medial Triangle of the Fuhrmann Triangle.

The Nine-Point Circle is concentric to the Circumcircle of the Orthic Triangle of the Fuhrmann Triangle.

The Nine-Point Circle is concentric to the Circumcircle of the Euler Triangle of the Fuhrmann Triangle.

The Nine-Point Circle is concentric to the Circumcircle of the Feuerbach Triangle of the Fuhrmann Triangle.

The Nine-Point Circle is concentric to the Nine-Point Circle of the Fuhrmann Triangle of the Fuhrmann Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Medial Triangle of the Medial Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Orthic Triangle of the Medial Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Medial Triangle of the Orthic Triangle.

The Nine-Point Circle is congruent to the Nine-Point Circle of the Medial Triangle of the Excentral Triangle.

The Nine-Point Circle is congruent to the Nine-Point Circle of the Orthic Triangle of the Anticomplementary Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Medial Triangle of the Circum-Incentral Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Orthic Triangle of the Circum-Incentral Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Medial Triangle of the Circum-Medial Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Orthic Triangle of the Circum-Medial Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Medial Triangle of the Circum-Orthic Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Orthic Triangle of the Circum-Orthic Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Medial Triangle of the Euler Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Orthic Triangle of the Euler Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Medial Triangle of the Feuerbach Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Medial Triangle of the Circumcevian Triangle of the Skordev Point.

The Nine-Point Circle is congruent to the Circumcircle of the Orthic Triangle of the Circumcevian Triangle of the Skordev Point.

The Nine-Point Circle is congruent to the Circumcircle of the Medial Triangle of the Circumcevian Triangle of the Dimovski Point.

The Nine-Point Circle is congruent to the Circumcircle of the Orthic Triangle of the Circumcevian Triangle of the Dimovski Point.

The Nine-Point Circle is congruent to the Circumcircle of the Medial Triangle of the Circumcevian Triangle of the Stanilov Point.

The Nine-Point Circle is congruent to the Circumcircle of the Orthic Triangle of the Circumcevian Triangle of the Stanilov Point.

The Nine-Point Circle is congruent to the Spieker Circle of the Tangential Triangle of the Circum-Incentral Triangle.

The Nine-Point Circle is congruent to the Spieker Circle of the Tangential Triangle of the Circum-Medial Triangle.

The Nine-Point Circle is congruent to the Spieker Circle of the Tangential Triangle of the Circum-Orthic Triangle.

The Nine-Point Circle is congruent to the Spieker Circle of the Tangential Triangle of the Circumcevian Triangle of the Stanilov Point.

The Nine-Point Circle is congruent to the Bevan Circle of the Euler Triangle of the Medial Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Feuerbach Triangle of the Medial Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Euler Triangle of the Orthic Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Feuerbach Triangle of the Orthic Triangle.

The Nine-Point Circle is congruent to the Nine-Point Circle of the Euler Triangle of the Excentral Triangle.

The Nine-Point Circle is congruent to the Nine-Point Circle of the Feuerbach Triangle of the Excentral Triangle.

The Nine-Point Circle is congruent to the Nine-Point Circle of the Euler Triangle of the Anticomplementary Triangle.

The Nine-Point Circle is congruent to the Nine-Point Circle of the Feuerbach Triangle of the Anticomplementary Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Euler Triangle of the Circum-Incentral Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Feuerbach Triangle of the Circum-Incentral Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Euler Triangle of the Circum-Medial Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Feuerbach Triangle of the Circum-Medial Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Euler Triangle of the Circum-Orthic Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Feuerbach Triangle of the Circum-Orthic Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Euler Triangle of the Euler Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Feuerbach Triangle of the Euler Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Euler Triangle of the Feuerbach Triangle.

The Nine-Point Circle is congruent to the Bevan Circle of the Feuerbach Triangle of the Feuerbach Triangle.

The Nine-Point Circle is congruent to the Circumcircle of the Euler Triangle of the Circumcevian Triangle of the Skordev Point.

The Nine-Point Circle is congruent to the Circumcircle of the Feuerbach Triangle of the Circumcevian Triangle of the Skordev Point.

The Nine-Point Circle is congruent to the Circumcircle of the Euler Triangle of the Circumcevian Triangle of the Dimovski Point.

The Nine-Point Circle is congruent to the Circumcircle of the Feuerbach Triangle of the Circumcevian Triangle of the Dimovski Point.

The Nine-Point Circle is congruent to the Circumcircle of the Euler Triangle of the Circumcevian Triangle of the Stanilov Point.

The Nine-Point Circle is congruent to the Circumcircle of the Feuerbach Triangle of the Circumcevian Triangle of the Stanilov Point.