| r1039 |
Feuerbach
point, pedal triangle,
isogonal
points, point X(80) |
| r1042 |
excircles,
homothetic
triangles |
| r1043 |
excircles,
medial
triangle, Spieker point,
homothetic
triangles |
| r1056 |
perspective,
point
X(165), isogonal points |
| r1057 |
incenter,
circumcenter,
ninecenter,
Bevan
point |
| r1058 |
point X(165) |
| r1075 |
cevian
triangle, Gergonne point |
| r1086 |
circumcenter,
cevian
triangle |
| r1087 |
circumcenter,
cevian
triangle, point X(500), concyclic points |
| r1088 |
orthocenter,
cevian
triangle, Euler line,
Brocard
line |
| r1099 |
point X(442),
ninecircle |
| r1108 |
incenter,
retrocenter,
perspective |
| r1229 |
ninecircle,
medial
triangle |
| r1335 |
inconic,
incenter |
| r1447 |
incenter |
| r1448 |
|
| r1456 |
point X(84) |
| r1513 |
incenter,
isogonal
points |
| r1550 |
incenter,
cevian
quotient |
| r1561 |
orthocenter,
Prasolov
point, excentral triangle |
| r1662 |
centroid,
orthocenter,
altitudes,
Euler
line |
| r1760 |
|
| r1801 |
centroid,
incenter,
circumcenter,
extangential
triangle,
parallelogic triangles |
| r1810 |
incenter,
Gergonne
point, De Longchamps point |
| r1856 |
incenter,
circumcevian
triangle, circumcircle |
