r82	Jerabek hyperbola
r202	symmedian point, Fermat axis, Parry reflection point
r308	point X(110), point X(125), circumcenter, ninecenter
r309	Euler line
r324	Euler line, ninecenter, cevian product
r803	Euler line
r804	Euler line, altitudes
r805	circumcenter, inverse points
r989	circumcenter, ninecenter, circumconic, circumcircle, point X(110)
r1402	Jerabek hyperbola, point X(186), ninecenter
r1403	point X(74), Euler line
r1625	point X(110), circumconic, altitude feet
r1692	Euler line
r1862	ninecenter, altitudes
r1909	orthocenter, incenter, altitudes
r1926	circumcenter, orthocenter, tangential triangle, orthologic triangles
r1990	orthocenter, circumcenter, antigonal points, circumcircle, point X(110)