| r1396 |
circumconic,
cevian
circle |
| r1407 |
Thebault
circles, concyclic points |
| r1408 |
Thebault
circles, intouch triangle |
| r1420 |
|
| r1428 |
circumcevian
triangle,
pedal
triangle, pedal circle |
| r1435 |
orthopole |
| r1436 |
incenter,
circumcenter,
incircle |
| r1439 |
symmedian
lines, Apollonian
circles, symmedian point, radical
center |
| r1464 |
circumcenter,
tangential
triangle |
| r1471 |
orthologic
triangles, parallelogic triangles |
| r1472 |
orthologic
triangles, orthocenter,
inconic |
| r1482 |
incenter,
Feuerbach
point, incircle |
| r1502 |
excircles,
Feuerbach
point |
| r1503 |
incenter,
circumcenter |
| r1507 |
incenter,
perspective |
| r1521 |
Fermat
points, isodynamic points,
centroid,
orthocentroidal
circle |
| r1522 |
incenter,
tangent
circles, inverse points |
| r1524 |
|
| r1543 |
ninecircle,
inverse
points |
| r1544 |
tripolar,
centroid,
isogonal
lines |
| r1548 |
orthocenter,
orthic
triangle |
| r1566 |
circumconic,
symmedian
point,
perspector,
tripole |
| r1587 |
Simson
line, inconic,
circumcenter |
| r1588 |
Simson
line, Euler line, ninecircle,
circumcevian
triangle,
point
X(468) |
| r1601 |
incenter |
