| r620 |
orthopole,
inconic,
retrocenter,
De
Longchamps point, perspector |
| r629 |
perspective,
medians,
complement,
centroid,
symmedian
point |
| r631 |
orthologic
triangles, Feuerbach hyperbola |
| r641 |
extouch
triangle, Bevan point, point
X(84) |
| r654 |
orthopole,
orthocenter |
| r680 |
second
Brocard triangle, circumcircle, Brocard
circle,
Apollonian circles, inverse
points |
| r689 |
Apollonian
circles,
second Brocard triangle, Brocard
points, pedal triangle, Beltrami
points, similar triangles |
| r690 |
incenter,
orthologic
triangles, Yff central triangle |
| r696 |
pedal triangle,
cevian
triangle, perspective,
side
triangle, Steiner inellipse |
| r697 |
circumcircle,
centroid,
orthocenter,
symmedian
point,
point X(110), point
X(842) |
| r698 |
centroid,
orthocenter,
symmedian
point,
point X(842) |
| r702 |
point X(681),
centroid,
symmedian
point,
Parry point, circumcircle |
| r703 |
Fermat
points, equilateral triangle |
| r704 |
centroid,
incenter,
orthocenter,
Nagel
point |
| r714 |
ninecenter,
point
X(186), circumcircle,
far-out
point, inverse points |
| r720 |
centroid,
symmedian
point, tangential triangle,
cevian
quotient |
| r724 |
point X(165),
incenter,
Bevan
point, harmonic points |
| r726 |
Brocard
line, point X(52), point
X(389) |
| r733 |
Fermat
triangles, Napoleon
points, anticomplement |
| r736 |
Vecten
points,
Vecten squares, complement |
| r737 |
Vecten
points, Vecten squares |
| r739 |
incenter,
excentral
triangle, orthocenter, Bevan
point, Mittenpunkt,
Prasolov
point, point X(64), point
X(84) |
| r740 |
homothetic triangles, radical
center, inverse points |
| r745 |
centroid,
symmedian
point, pedal triangle, homothetic
triangles |
| r765 |
Morley
triangle, perspective, centroid |
