r65	incenter, Spieker point, centroid
r66	perspective, extouch triangle
r69	incenter, orthocenter, circumcenter
r72	centroid, incenter, point X(165), De Longchamps point
r70	perspective, medial triangle, intouch triangle
r67	Gergonne point, isotomic points
r68	centroid, incircle, Spieker circle
r71	medial triangle, Spieker circle
d	Mandart ellipse
d	point X(56)
d	point X(185)
r86	Feuerbach hyperbola, Gergonne point, orthocenter, Mittenpunkt, Schiffler point
r112	incenter, perspective
r132	Bevan point,De Longchamps point
r144	point X(12), Gergonne point, circumcenter, incenter, symmedian point, Clawson point, Spieker point, point X(65)
r147	orthocenter, circumcenter, Mittenpunkt, De Longchamps point, point X(57), point X(84)
r187	Fuhrmann circle, orthocenter
r218	De Longchamps point, orthocenter, ninecenter, Euler line, Soddy line
r241	perspective
r266	Gergonne point, point X(65), retrocenter, point X(75)
r274	intouch triangle, Gergonne point
r298	isotomic points, point X(65)
r331	incenter, perspective, similar triangles

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