r82 |
Jerabek
hyperbola |
r144 |
point X(12),
Gergonne
point, circumcenter,
incenter, symmedian
point,
Clawson point, Nagel
point, Spieker point |
r145 |
orthocenter,
intouch
triangle |
r266 |
Gergonne
point, Nagel point, point
X(75), retrocenter |
r298 |
isotomic
points, Nagel point |
r312 |
incircle,
orthic
triangle |
r433 |
Bevan-Schröder
point, incircle,
inverse
points |
r193 |
Schröder
point, Weill point,Bevan-Schröder
point,
Bevan
point, poristic triangles, point
X(55), point X(56) |
r570 |
perspective,
extangential
triangle |
r1049 |
perspective |
r1051 |
intouch
triangle |
r1325 |
circumcircle,
incenter,
perspective |
r1359 |
altitude
feet, incenter, circumcenter |
r1525 |
orthic
triangle |
r1592 |
incenter,
Feuerbach
point, ninecenter |
r1736 |
Feuerbach
point, point X(80), isogonal
points, concyclic points |