| r1210 |
centroid,
Steiner
inellipse |
| r1230 |
perspective,
isogonal
points |
| r1239 |
orthocenter,
orthic
triangle, Gob point, homothetic triangles |
| r1296 |
Lemoine
line, Steiner
circumellipse, orthologic triangles |
| c60 |
|
| r1322 |
De
Longchamps point, Bickart points |
| r1338 |
areal
center |
| r1347 |
equicenter,
orthopole,
similar
triangles |
| r1348 |
areal
center, circumcircle,
Simson
line, similar triangles |
| r1353 |
orthocenter,
symmedian
point |
| r1366 |
equicenter,
areal
center |
| r1392 |
symmedian
point, Euler line |
| r1428 |
circumcevian
triangle,
circumcircle,
pedal
circle |
| r1444 |
Napoleon
points, isodynamic points, homothetic
triangles |
| r1452 |
isogonal
points, side triangle |
| r1515 |
similar triangles |
| c69 |
|
| c70 |
cevian
triangle |
| c71 |
anticevian
triangle |
| r1537 |
isogonal
points, cevian triangle, orthologic
triangles |
| r1556 |
isogonal
points, orthocenter,
similar
triangles |
| r1557 |
isogonal
points, Euler line,
pedal
circle |
| r1562 |
pedal circle,
orthocenter,
Prasolov
point |
| r1567 |
circumcenter,
isogonal
points |
| r1569 |
circumcenter,
isogonal
points |
