r992 |
cevian
triangle, centroid,
incenter,
orthocenter,
symmedian
point,
Gergonne point, Nagel
point |
r1097 |
excircles,
perspective,
excentral
triangle |
r1203 |
perspective,
medial
triangle |
r1226 |
Gergonne
point, Euler line |
r1273 |
point X(75),
Gergonne
point, incenter |
r1519 |
excircles,
incenter,
orthocenter,
circumcenter,
radical
center |
r1529 |
incenter,
orthocenter |
r1646 |
Feuerbach
point, Nagel point, cevian
circle |
r1868 |
ninecircle,
orthocenter,
tangent
circles |
r2035 |
antiorthic
axis, circumconic, symmedian
point,
anticevian triangle,
perspective,
intangential
triangle |
r2055 |
|