| r1179 |
altitude
feet,
incenter,
circumcenter |
| r1180 |
altitude
feet,
incenter,
circumcenter,
orthologic
triangles |
| r1182 |
altitude
feet,
circumcenter |
| r1183 |
altitude
feet,
circumcenter,
centroid,
cevian
quotient |
| r1219 |
centroid,
orthocenter,
Euler
line,
homothetic triangles |
| r1231 |
concyclic points |
| r1268 |
altitude
feet, pedal circle |
| r1269 |
altitude
feet, orthocenter |
| r1308 |
complement |
| r1379 |
Steiner
deltoid, ninecircle, homothetic
triangles |
| r1382 |
Steiner
deltoid, circumcircle |
| r1387 |
Steiner
deltoid, ninecircle, homothetic
triangles |
| r1402 |
Jerabek
hyperbola, point X(186),
point
X(265) |
| r1421 |
circumcevian
triangle,
orthocenter,
circumcenter |
| r1455 |
symmedian
point, Prasolov point, point
X(155) |
| r1486 |
|
| r1487 |
orthologic
triangles, circumcenter,
antigonal
points |
| r1520 |
radical center |
| r1534 |
orthocenter,
circumcenter |
| r1547 |
Vecten
points, cevian product,
symmedian
point,
altitudes |
| r1554 |
circumcenter,
circumcevian
triangle |
| r1592 |
incenter,
Feuerbach
point, point X(65) |
| r1593 |
incenter,
Feuerbach
point |
| r1603 |
circumcenter,
Euler
line |
| r1611 |
orthocenter,
circumcenter,
altitude
feet,
isogonal points |
