| r410 |
excircles,
extangential
triangle, homothetic triangles |
| r429 |
Schröder
point, Weill point,
inverse points |
| r433 |
Bevan-Schröder
point, point
X(65), inverse points |
| r438 |
extouch
triangle |
| r458 |
first
mid-arc point |
| r459 |
Yff point,
tripolar |
| r460 |
Yff point,
perspective |
| r461 |
Yff point,
first
mid-arc point, incenter |
| r462 |
incenter,
homothetic
triangles |
| r539 |
altitude
feet,
concyclic points |
| r547 |
intouch
triangle, point X(56), homothetic triangles |
| r548 |
intouch
triangle, point X(12), medial
triangle, homothetic triangles |
| r550 |
intouch
triangle, circumconic,
cevian
triangle |
| r561 |
intouch
triangle, point X(55),
cevian
triangle, Weill point |
| r609 |
tripolar,
Gergonne
point |
| r612 |
incenter |
| r622 |
perspective,
Pelletier
triangle |
| r635 |
centroid,
Yff
point, incenter,
Euler
line |
| r636 |
Yff point,
incenter,
intouch
triangle,
homothetic triangles |
| r659 |
Simson
line, poristic triangles, incenter |
| r667 |
tangent circles |
| r668 |
intouch
triangle, perspective,
point
X(57), tangent circles |
| r669 |
point X(57),
tangent
circles, radical center |
| r670 |
perspective,
tangent
circles |
| r709 |
Fletcher
point, Gergonne point, inverse points |
