r82	Jerabek hyperbola
r299	circumcircle, circumcenter
r300	circumcenter
r330	circumcenter
r452	perspective, circumcenter
r529	symmedian lines, circumcenter
r774	orthocenter, circumcenter, ninecenter, altitudes, Jerabek hyperbola, point X(185), point X(389)
r1267	altitude feet, pedal circle
r1401	Jerabek hyperbola, point X(186), point X(74)