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 |