d	point X(65)
r86	Feuerbach hyperbola, Gergonne point, Nagel point, orthocenter, Mittenpunkt
r142	point X(12), Gergonne point, circumcenter, Feuerbach point, incenter, point X(56), orthocenter, centroid
r355	centroid, incenter, Gergonne point, Nagel point, point X(63), De Longchamps point
r399	anticevian triangle, incenter, circumcenter
r404	excircles
r849	Euler line, complement, orthic triangle, orthiac triangles
r1028	complement, excenters, radical center
d	point X(442)