ORTHOCENTROIDAL CIRCLE


r26 Fermat points, inverse points
r39 Fermat axis, Euler line
r209 circumcenter, ninecenter, inverse points 
r210 point X(115), symmedian point, inverse points
r211 Lester circle
r711 ninecircle, point X(24), point X(186),inverse points
r728 Exeter point, complement, point X(468), Gob point, ninecircle,inverse points
r960 centroid, symmedian point, Fermat points, Apollonian circles, symmedian lines
r961 orthocenter, symmedian point, Fermat points, Apollonian circles, symmedian lines
r976 orthocenter
r1040 incenter, symmedian point, Spieker point, Gergonne point, Nagel point, Feuerbach point, Brocard points, Fermat points, Napoleon points
r1310 Johnson triangle
r1521 Fermat points, isodynamic points, centroid, circumcircle
r1739 circumcenter, ninecenter, perspector, point X(264), MacBeath conic, ninecircle
r1821 isogonal points, tripolar, inverse points
r1973 circumcenter, De Longchamps point, altitude feet, homothetic triangles, inverse points

índexs