| r1005 |
cevian
triangle, medial triangle, ninecircle,
De
Longchamps line |
| r1010 |
orthologic
triangles |
| r1012 |
orthologic
triangles, circumconic |
| r1016 |
circumcevian
triangle, Euler line,
orthic
triangle |
| r1029 |
circumcircle,
excircles,
incenter,
Clawson
point, isogonal points,
point
X(165) |
| r1045 |
circumcevian
triangle, Jerabek hyperbola |
| r1049 |
point X(65) |
| r1056 |
point X(165),
isogonal
points,
excenters |
| c21 |
altitudes |
| r1097 |
excircles,
excentral
triangle,
Mittenpunkt |
| r1098 |
excircles,
extouch
triangle |
| r1106 |
medial
triangle, similar triangles |
| r1108 |
incenter,
excenters,
retrocenter |
| r1118 |
circumcenter,
cevian
triangle, Gergonne point, point
X(80), incenter |
| r1127 |
point X(671),
Droussent
point, altitudes |
| r1137 |
Lemoine
line, Lucas
circles, circumcenter |
| r1166 |
intouch
triangle, incenter,
Euler
line,
circumcenter |
| r1167 |
intouch
triangle, incenter,
first
Eppstein
point |
| r1202 |
Feuerbach
hyperbola |
| r1203 |
medial
triangle, Mittenpunkt |
| r1208 |
incenter,
altitude
feet,
point X(79) |
| r1221 |
circumcenter,
antipedal
triangle,
circumcevian
triangle |
| r1230 |
pedal triangle,
isogonal
points |
| r1236 |
Morley
triangle, tripolar |
| r1237 |
Morley
triangle, tripolar |
