r510 |
ninecenter,
tripolar |
r513 |
Fermat
triangles, Steiner
point, concyclic points |
r533 |
orthologic
triangles, circumconic |
r558 |
Johnson
triangle, orthologic triangles,
centroid,
point
X(262) |
r559 |
anticomplement,
medians,
Kiepert
hyperbola, Steiner point |
r567 |
Fermat
points, Napoleon points, isodynamic
points,homothetic triangles |
r570 |
extangential
triangle, point X(65) |
r573 |
cevian
triangle, cevian product |
r601 |
intouch
triangle, point X(173) |
r622 |
incircle,
Pelletier
triangle |
r628 |
|
r629 |
medians,
complement,
centroid,
circumcenter,
symmedian
point |
r650 |
medial
triangle, intouch triangle, side
triangle, Steiner inellipse |
r651 |
medial
triangle, intouch triangle, side
triangle, Feuerbach point |
r661 |
circumcircle,
isogonal
of the infinite point |
r664 |
excircles,
medial
triangle, Yff point |
r668 |
intouch
triangle, point X(57), incircle,
tangent
circles |
r670 |
incircle,
tangent
circles |
r673 |
ninecircle,
intouch
triangle, Feuerbach point |
r683 |
incenter,
ninecenter,
medial
triangle |
r687 |
Johnson
triangle, circumcircle,
symmedian
point |
r688 |
Steiner
axis, centroid,
homothetic triangles |
r691 |
Yff central
triangle, first mid-arc point |
r693 |
Yff central
triangle, excentral triangle,
point
X(173) |
r694 |
Yff central
triangle, Yff point, intouch
triangle |
r696 |
pedal triangle,
cevian
triangle, side triangle |
r710 |
tangential
triangle |
r712 |
Fermat
triangles, excenters |