| r1016 |
circumcevian
triangle, perspective,
Euler
line |
| r1017 |
Euler line,
orthologic
triangles,
pedal triangle, Jerabek
hyperbola |
| r1030 |
isogonal
points |
| r1184 |
intouch
triangle, homothetic triangles |
| r1220 |
centroid,
orthocenter,
orthologic
triangles |
| r1228 |
antimedial
triangle, ninecircle,
point
X(115) |
| r1239 |
orthocenter,
pedal
triangle, Gob point, homothetic triangles |
| r1260 |
circumcircle,
perspective,
altitude
feet, homothetic triangles |
| r1285 |
perspective,
orthologic
triangles, Fuhrmann triangle |
| r1301 |
isogonal
lines |
| r1430 |
cevian
triangle, isogonal points |
| r1454 |
tangential
triangle, medial triangle, symmedian
point, homothetic triangles |
| r1481 |
circumcenter,
perspective,
Euler
line |
| r1508 |
similar triangles |
| r1509 |
orthocenter,
orthologic
triangles,
perspective |
| r1510 |
orthocenter |
| r1525 |
point X(65) |
| r1533 |
isogonal
points, Kiepert hyperbola, medial
triangle |
| r1539 |
homothetic triangles |
| r1548 |
circumcircle,
orthocenter |
| r1549 |
orthocenter |
| r1574 |
tripolar,
similar
triangles |
| r1582 |
Gob point |
| r1583 |
circumcenter,
Euler
line |
| r1586 |
ninecircle,
Simson
line, medial triangle, point
X(115) |
