r1562	pedal triangle, pedal circle, Prasolov point
r1563	centroid, circumcenter
r1564	circumcenter, altitude feet
r1565	altitudes, altitude feet, point X(24)
r1570	isogonal points, circumcevian triangle, point X(24), circumcenter, De Longchamps point
r1577	altitudes, circumcenter
r1590	Euler line
r1597	isogonal points, circumcenter, circumcevian triangle, Nagel point, tangential triangle
r1598	circumcenter, incentric triangle, ninecircle
r1600	ninecircle, altitudes, altitude feet
r1611	circumcenter, ninecenter, altitude feet, isogonal points
r1637	circlecevian triangle, Prasolov point
r1638	circumcevian triangle, perspective, circumcenter, De Longchamps point, point X(24)
r1650	incenter, Fuhrmann circle
r1652	circumcevian triangle, isogonal points, anticomplement
r1662	centroid, altitudes, excenters, Euler line
r1671	Euler line, altitude feet, circumcevian triangle
r1672	Euler line, altitude feet, circumcevian triangle, point X(186)
r1673	Euler line, altitude feet
r1675	Kiepert hyperbola, ninecircle, point X(115)

	1	2	3	4	5	6	7	8	9	10
	11	12	13