r55	centroid, point X(115), point X(125), ninecircle
r134	circumconic
r240	circumcenter, orthopole, isogonal points
r344
d	Gallatly circle
r856	cevian triangle, Feuerbach point, circumcircle, Feuerbach hyperbola
r1013	orthopole
r1014	circumconic, ninecircle, isogonal points
r1222	circumconic, incenter, Nagel point
r1256
r1267	altitude feet, Kosnita point
r1268	altitude feet, ninecenter
r1428	circumcevian triangle, circumcircle, pedal triangle
r1492	circumcenter, ninecircle, Euler line, inconic
r1557	isogonal points, pedal triangle, Euler line
r1562	pedal triangle, orthocenter, Prasolov point