r75	excentral triangle, symmedian point, incenter
d	Mandart ellipse
d	Yff parabola
d	point X(57)
r86	Feuerbach hyperbola, Gergonne point, Nagel point, orthocenter, Schiffler point
r147	Nagel point, orthocenter, circumcenter, De Longchamps point, point X(57), point X(84)
r230	third Brocard point, Spieker point, point X(190), point X(75)
r279	centroid, Gergonne point, point X(57), complement
r280	orthocenter, Spieker point, Bevan point
r281	incenter, symmedian point, point X(37), harmonic points
r282	medial triangle, extouch triangle, perspective
r360	radical center
r367	centroid, point X(57), isogonal points, desmic structure
r372	perspective, anticevian triangle, incenter
r401	excircles, excentral triangle, medial triangle, perspective, homothetic triangles
r402	excircles, homothetic triangles
r422	Fermat triangles, perspective, excentral triangle, isodynamic points, incenter, orthocenter
r446	circumcircle, circumconic, point X(100), point X(190)
r481	symmedian point, orthic triangle
r572	Bevan point, orthocenter, Spieker point, Clawson point
r723	cevian quotient, point X(165), incenter
r739	incenter, excentral triangle, orthocenter, circumcenter, Bevan point, Prasolov point, point X(64), point X(84)
r890	tripolar, isogonal points, circumcircle, incircle, point X(55), cevian quotient
r923	pedal triangle, excenters, symmedian point, homothetic triangles
r932	intangential triangle, extouch triangle, perspective, cevian quotient, Nagel point

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