r1647 |
cevian
circle, point X(115),
Fermat
points |
r1734 |
circumcircle,
excircles,
perspective,
medial
triangle |
r1833 |
isogonal
points, incenter,
point
X(56),
circumcircle,
Mannheim
circles |
r1853 |
centroid,
ninecircle |
r1934 |
incenter,
excenters,
Kosnita
point |
r1950 |
orthocenter |
r2040 |
incenter,
circumconic,
incentric
triangle, antipedal triangle,
orthologic
triangles |
r2055 |
isotomic
points |