| r68 |
Nagel point,
centroid,
Spieker
circle |
| d |
intouch triangle |
| d |
Feuerbach point |
| d |
first mid-arc point |
| d |
intangential triangle |
| d |
second mid-arc point |
| d |
Spieker circle |
| d |
point X(12) |
| d |
point X(55) |
| d |
point X(56) |
| c4 |
circumcircle |
| c5 |
circumcircle |
| c6 |
|
| r149 |
circumcircle,
tangent
circles, perspective,
point
X(55) |
| r150 |
circumcircle,
tangent
circles, perspective,
point
X(56) |
| d |
poristic triangles |
| r192 |
altimedial triangles, ninecenter,
radical
center |
| r194 |
poristic
triangles, circumcircle, inverse
points, perspective |
| r204 |
duality,
point
X(190), ninecircle,
Steiner
inellipse, complement |
| r248 |
De
Longchamps ellipse |
| r276 |
orthocenter |
| r312 |
orthic
triangle, point X(65) |
| c10 |
centroid |
| c15 |
|
| r384 |
perspective,
Yff
point, tangent circles |
