| r1037 |
Steiner
inellipse, centroid |
| r1044 |
orthocenter,
isogonal
of the infinite point |
| r1045 |
Jerabek
hyperbola, perspective |
| r1073 |
Brocard
line,
isodynamic
points |
| r1128 |
symmedian
point |
| r1130 |
Lemoine
line,
Brocard
ellipse |
| r1138 |
circumcircle,
incircle,
point
X(57), point X(55) |
| r1221 |
circumcenter,
antipedal
triangle,
perspective |
| r1276 |
orthocenter |
| r1294 |
Lemoine
line, perspective |
| r1321 |
circumcenter |
| r1323 |
circumcenter,
cevian
triangle |
| r1356 |
circumcenter,
Euler
line |
| r1367 |
incenter,
perspective,
point
X(100) |
| r1421 |
orthocenter,
circumcenter,
ninecenter |
| r1422 |
orthocenter,
complement |
| r1427 |
incircle |
| r1428 |
circumcircle,
pedal
triangle, pedal circle |
| r1429 |
intouch
triangle, incenter,
Feuerbach
point, point X(100) |
| r1440 |
isogonal
points, incenter,
point
X(56), homothetic triangles |
| r1504 |
orthocenter,
anticomplement,
isogonal
points, concyclic points |
| c76 |
|
| r1551 |
incenter,
circumcenter,
Euler
line,
point X(165) |
| r1552 |
incenter,
Euler
line |
| r1553 |
symmedian
point |
