| r530 |
altitudes,
circumcircle,
antimedial
triangle |
| r532 |
orthologic
triangles, homothetic triangles |
| r536 |
isogonal
of the infinite point |
| r551 |
circumcenter,
symmedian
point,
Nagel point,
tangential
triangle, point X(64) |
| r564 |
|
| r572 |
Bevan point,
Spieker
point, Clawson point, Mittenpunkt |
| r581 |
cevian
triangle, centroid |
| r584 |
point X(403),
point
X(186), point X(468) |
| r585 |
altitude
feet |
| r586 |
altitude
feet,
circumcenter |
| r592 |
orthic
triangle, symmedian point |
| r593 |
point X(52),Brocard
line |
| r597 |
circumcircle |
| r599 |
Brocard
line, isogonal points, cevian
triangle, Stammler hyperbola |
| r616 |
circumcircle,
orthopole,
altitude
feet |
| r621 |
orthopole,
isogonal
points, circumconic,
Steiner
deltoid |
| r632 |
Fuhrmann
circle, Fuhrmann triangle |
| r654 |
orthopole,
circumcenter |
| r672 |
MacBeath
conic, ninecircle |
| r674 |
Euler line,
isogonal
points, tripolar |
| r697 |
circumcircle,
centroid,
circumcenter,
symmedian
point,
point X(110), point
X(842) |
| r698 |
centroid,
circumcenter,
symmedian
point,
point X(842) |
| r704 |
centroid,
incenter,
circumcenter,
Nagel
point |
| r705 |
incenter,
Nagel
point,
Longuet-Higgins point, De
Longchamps point |
