r65 |
incenter,
Spieker
point, centroid |
r66 |
perspective,
extouch
triangle |
r69 |
incenter,
orthocenter,
circumcenter |
r72 |
centroid,
incenter,
point
X(165),
De Longchamps point |
r70 |
perspective,
medial
triangle, intouch triangle |
r67 |
Gergonne
point, isotomic points |
r68 |
centroid,
incircle,
Spieker
circle |
r71 |
medial
triangle, Spieker circle |
d |
Mandart ellipse |
d |
point X(56) |
d |
point X(185) |
r86 |
Feuerbach
hyperbola, Gergonne point, orthocenter,
Mittenpunkt,
Schiffler
point |
r112 |
incenter,
perspective |
r132 |
Bevan point,De
Longchamps point |
r144 |
point X(12),
Gergonne
point, circumcenter,
incenter, symmedian
point,
Clawson point, Spieker
point, point X(65) |
r147 |
orthocenter,
circumcenter,
Mittenpunkt,
De
Longchamps point,
point X(57), point
X(84) |
r187 |
Fuhrmann
circle, orthocenter |
r218 |
De
Longchamps point,
orthocenter,
ninecenter,
Euler
line, Soddy
line |
r241 |
perspective |
r266 |
Gergonne
point, point X(65), retrocenter,
point
X(75) |
r274 |
intouch
triangle, Gergonne point |
r298 |
isotomic
points, point X(65) |
r331 |
incenter,
perspective,
similar
triangles |