| r840 |
cyclocevian
points, cevian triangle, perspective |
| r899 |
circumcircle,
excircles,
circumcenter,
excenters |
| r947 |
point X(110) |
| r950 |
Euler line,
circumcenter,
intouch
triangle |
| r1224 |
circumcenter,
point
X(110) |
| r1391 |
|
| r1394 |
Parry reflection
point |
| r1395 |
|
| r1449 |
|
| r1454 |
medial
triangle, orthic triangle, symmedian
point, homothetic triangles |
| r1464 |
circumcenter,
circumcircle |
| r1476 |
|
| r1527 |
incenter,
circumcenter,
perspective |
| r1597 |
isogonal
points, orthocenter,
circumcenter,
circumcevian
triangle, Nagel
point |
| r1614 |
excentral
triangle, homothetic triangles |
| r1744 |
Euler line,
MacBeath
conic, concyclic points |
| r1745 |
incircle,
concyclic
points |
| r1839 |
circumcircle,
ninecircle,
circumcenter |
| r1886 |
circumcevian
triangle, perspective,
centroid,
Gob
point |
| r1924 |
circumcenter,
ninecenter,
Euler
line,
homothetic triangles |
| r1926 |
circumcenter,
orthocenter,
orthologic
triangles, point X(265) |
| r2008 |
circumcenter,
ninecenter,
Euler
line,
homothetic triangles |
| r2051 |
circumcenter |
