| r163 |
cevian
triangle |
| r1114 |
isotomic
points, Steiner circumellipse, De
Longchamps point |
| r1115 |
isotomic
points, retrocenter |
| r1161 |
inconic,
De
Longchamps point,
cevian triangle, isotomic
points |
| r1162 |
duality,
Steiner circumellipse |
| r1163 |
Euler line,
inconic,
De
Longchamps point |
| r1164 |
Euler line,
cevian
product,
De
Longchamps point, isotomic complement |
| r1322 |
De
Longchamps point, pedal triangle |
