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)
r1808	incenter, intouch triangle
r1867	ninecircle, circumcircle, perspective
r1932	incenter, circumcenter
r1933	excenters, circumcenter
r1934	incenter, excenters, Spieker point
r1935	excenters
r1967	incenter, circumcircle
r1968	incenter, Evans perspector, radical center
r1998	circumcenter, orthologic triangles, ninecircle, point X(52)
r2074	Euler line