r1813 |
cevian
triangle |
r1857 |
excircles,
incircle,
perspective,
intouch
triangle |
r1858 |
excircles,
incircle,
perspective,
intouch
triangle |
r1874 |
circumcircle,
Simson
line, perspective |
r1894 |
circumcircle,
Simson
line, Steiner deltoid, radical center |
r1922 |
circumcenter,
ninecenter,
excentral
triangle, Bevan point |
r1923 |
ninecenter,
altitudes,
orthologic
triangles, point
X(64) |
r1938 |
point X(52),
circumcenter,
orthic
triangle, point X(115) |
r1963 |
circumcenter,
orthocenter,
isogonal
points, pedal
triangle, pedal circle, Tixier
point |