r355 |
centroid,
incenter,
Gergonne
point,
point X(63),
De
Longchamps point,
Schiffler point |
r365 |
Gergonne
point,
retrocenter,
desmic
structure |
r370 |
perspective,
anticevian
triangle,
cevian quotient,
retrocenter |
r377 |
circumcenter,
orthocenter,
Feuerbach
point,
point X(104) |
r501 |
circumcircle,
incenter,
excenters |
r551 |
orthocenter,
circumcenter,
symmedian
point, tangential triangle, point
X(64) |
r552 |
anticomplement |
r553 |
tangential
triangle, radical center |
r623 |
tripolar,
Gergonne
line, antiorthic axis, orthic
axis,
point
X(650) |
r704 |
centroid,
incenter,
orthocenter,
circumcenter |
r705 |
incenter,
orthocenter,
Longuet-Higgins
point, De Longchamps point |
r778 |
altitudes |
r779 |
orthocenter,
incenter,
tripolar |
r922 |
pedal triangle,
excenters,
symmedian
point |
r932 |
intangential
triangle, extouch triangle, perspective,
cevian
quotient,
Mittenpunkt |
r973 |
perspective,
circumcircle,
isogonal
points,
anticomplement,
Mannheim
circles |
r992 |
cevian
triangle, centroid,
incenter,
orthocenter,
symmedian
point,
Gergonne point, Mittenpunkt |
r1040 |
orthocentroidal
circle, incenter,
symmedian
point, Spieker point,
Gergonne
point, Feuerbach point, Brocard
points,
Fermat points,
Napoleon
points |
r1157 |
Gergonne
point, isotomic points,
Feuerbach
hyperbola |
r1158 |
Gergonne
point, isotomic points,
Feuerbach
hyperbola, Steiner circumellipse |
r1222 |
pedal circle,
circumconic,
incenter |
r1272 |
point X(75),
cevian
product,
centroid |
r1316 |
incenter,
incircle |