| r1121 |
Steiner
point, centroid,
point
X(671) |
| r1209 |
Kiepert
hyperbola, Brocard line |
| r1228 |
antimedial
triangle, orthic triangle, ninecircle |
| r1517 |
circumconic,
isodynamic
points,
isogonal
points |
| r1586 |
ninecircle,
Simson
line, medial triangle, orthic
triangle |
| r1647 |
cevian
circle, Spieker point, Fermat
points |
| r1675 |
Kiepert
hyperbola, orthocenter, ninecircle |
| r1688 |
circumcircle,
circumconic,
De
Longchamps point,
Tarry point, inverse
points |
| r1938 |
point X(52),
circumcenter,
medial
triangle, orthic triangle |
