| r55 |
centroid,
point
X(115), point
X(125), ninecircle |
| r134 |
circumconic |
| r240 |
circumcenter,
orthopole,
isogonal
points |
| r344 |
|
| d |
Gallatly circle |
| r856 |
cevian
circle,
Feuerbach point, Feuerbach
hyperbola |
| r1013 |
orthopole |
| r1014 |
circumconic,
ninecircle,
isogonal
points |
| r1222 |
circumconic,
incenter,
Nagel
point |
| r1256 |
|
| r1267 |
altitude
feet, Kosnita point |
| r1268 |
altitude
feet, ninecenter |
| r1428 |
circumcevian
triangle,
circumcircle,
pedal
triangle |
| r1492 |
circumcenter,
ninecircle,
Euler
line,
inconic |
| r1557 |
isogonal
points, pedal triangle, Euler
line |
| r1562 |
pedal triangle,
orthocenter,
Prasolov
point |
| r1633 |
isogonal
points, pedal
triangle, orthologic triangles |
| r1726 |
ninecircle,
isogonal
points, circumconic |
| r1727 |
ninecircle,
Euler
line,
point X(125) |
| r1811 |
pedal triangle,
medial
triangle, side triangle,
perspective,
ninecircle |
| r1963 |
circumcenter,
orthocenter,
isogonal
points, medial
triangle, pedal triangle, Tixier
point |