| r1353 |
pedal triangle,
symmedian
point |
| r1357 |
Steiner
point, retrocenter,
points
X(1113)-X(1114),
Steiner
circumellipse |
| r1383 |
Steiner
deltoid |
| r1414 |
altitudes,
cevian
quotient |
| r1421 |
circumcevian
triangle,
circumcenter,
ninecenter |
| r1422 |
circumcevian
triangle,
complement |
| r1423 |
Fermat
points, centroid,
Euler
line |
| r1458 |
circumcenter,
cevian
quotient,
point
X(155) |
| r1468 |
circumcenter,
altitudes,
Nagel
point |
| r1472 |
orthologic
triangles, circumcircle,
inconic |
| r1495 |
incenter,
circumcenter,
Nagel
point |
| r1504 |
circumcevian
triangle,
anticomplement,
isogonal
points, concyclic points |
| r1509 |
orthic
triangle, orthologic triangles,
perspective |
| r1510 |
orthic
triangle |
| r1519 |
excircles,
incenter,
circumcenter,
Mittenpunkt,
radical
center |
| r1529 |
incenter,
Mittenpunkt |
| r1530 |
incenter,
Nagel
point |
| c68 |
altitudes |
| r1534 |
circumcenter,
ninecenter |
| r1536 |
tripolar |
| r1548 |
circumcircle,
orthic
triangle |
| r1549 |
orthic
triangle |
| r1555 |
Euler line,
altitude
feet |
| r1556 |
isogonal
points, pedal triangle, similar triangles |
| r1561 |
excenters,
Prasolov
point, excentral triangle |
