| r978 |
orthocenter,
perspective |
| r981 |
Feuerbach
point,
Tarry point, Brocard
circle |
| r1051 |
point X(65) |
| r1081 |
incenter,
circumcenter,
incentric
triangle |
| r1129 |
Soddy line,
Fletcher
point |
| r1166 |
incenter,
perspective,
Euler
line,
circumcenter |
| r1167 |
incenter,
perspective,
first
Eppstein point |
| r1178 |
altitude
feet,
incenter,
circumcenter,
homothetic
triangles |
| r1184 |
orthic
triangle,
homothetic triangles |
| r1204 |
homothetic triangles |
| r1261 |
incircle,
incentric
triangle, homothetic triangles |
| r1274 |
incircle |
| r1288 |
Soddy line,
Gergonne
point,
incircle |
| r1318 |
incenter,
incircle,
medial
triangle, homothetic triangles |
| r1408 |
Thebault
circles, circumcircle |
| r1429 |
circumcevian
triangle,
incenter,
Feuerbach
point, point X(100) |
| r1535 |
incircle |
| r1613 |
incenter,
perspective |
| r1627 |
incenter,
Gergonne
point, concyclic points |
| r1628 |
incenter,
Gergonne
point, concyclic points |
| r1630 |
|
| r1644 |
incenter,
Nagel
point,
incircle |
| r1656 |
excircles,
incircle,
perspective,
tangent
circles |
| r1661 |
orthic
axis |
| r1663 |
Euler line,
medial triangle |
