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 |