| r656 |
symmedian
point, cevian triangle, tangent circles |
| r664 |
perspective,
medial
triangle, Yff point |
| r718 |
perspective,
medial
triangle, complement,
Yff
point |
| r719 |
perspective,
intouch
triangle |
| r789 |
perspective |
| r790 |
perspective,
extouch
triangle |
| r791 |
perspective |
| r796 |
circumcircle,
extouch
triangle |
| r801 |
antiorthic
axis |
| r869 |
Tucker
circles, tangent circles |
| r897 |
Spieker
point, ninecircle,
medial
triangle, perspective |
| r898 |
perspective,
altitudes,
intouch
triangle |
| r899 |
circumcircle,
circumcenter,
excenters,
tangential
triangle |
| r900 |
incenter,
extouch
triangle |
| r901 |
incenter,
extouch
triangle |
| r902 |
incenter,
perspective |
| r903 |
Brocard
line,
tangent circles |
| r986 |
point X(442),
Feuerbach
point |
| r1029 |
circumcircle,
perspective,
incenter,
Clawson
point, isogonal points,
point
X(165) |
| r1042 |
excenters,
homothetic
triangles |
| r1043 |
excenters,
medial
triangle, Spieker point,
homothetic
triangles |
| r1097 |
perspective,
excentral
triangle,
Mittenpunkt |
| r1098 |
perspective,
extouch
triangle |
| c41 |
tangent circles |
| c53 |
tangent circles |
