| r996 |
cevian
triangle, circumcircle, anticomplement |
| r1005 |
perspective,
cevian
triangle, medial triangle, De
Longchamps line |
| r1006 |
orthocenter,
circumconic |
| r1014 |
pedal circle,
circumconic,
isogonal
points |
| c13 |
|
| r1091 |
Schoute
point, Parry point, symmedian
point,
point X(115),
concyclic
points |
| r1099 |
excenters,
point
X(442) |
| r1181 |
altitude
feet,
circumcenter,
circumcircle,
tangent
circles |
| r1212 |
altitude
feet,
circumcenter,
concyclic
points |
| r1218 |
cevian
triangle, point X(186), point
X(403) |
| r1228 |
antimedial
triangle, orthic triangle, point
X(115) |
| r1229 |
medial
triangle, excenters |
| r1311 |
Johnson
triangle, altitude feet |
| r1372 |
|
| r1378 |
Steiner
deltoid, circumtangential triangle,
centroid,
homothetic
triangles |
| r1379 |
Steiner
deltoid, ninecenter,
homothetic
triangles |
| r1380 |
Steiner
deltoid |
| r1384 |
Steiner
deltoid, altitude feet |
| r1385 |
Steiner
deltoid, point X(125),
point
X(74), Simson line |
| r1387 |
Steiner
deltoid, ninecenter,
homothetic
triangles |
| r1388 |
Steiner
deltoid, Stammler circles,
homothetic
triangles |
| r1441 |
Fuhrmann
triangle |
| r1491 |
orthologic
triangles, circumcenter,
altitude
feet |
| r1492 |
circumcenter,
Euler
line,
pedal
circle, inconic |
| r1543 |
circumcircle,
inverse
points |
