r1009 |
Euler line |
r1033 |
cevian
triangle, medial triangle, point
X(115) |
r1038 |
pedal triangle,
incenter,
excenters,
circumcenter,
Jerabek
hyperbola |
r1039 |
pedal triangle,
excenters,
isogonal
points, point X(80) |
r1040 |
orthocentroidal
circle, incenter,
symmedian
point, Spieker point,
Gergonne
point, Nagel point,
Brocard
points,
Fermat points,
Napoleon
points |
r1149 |
point X(523),
cevian
quotient,
incenter |
r1155 |
Tucker
circles, incircle,
inconic,
perspector,
isogonal
points |
r1156 |
point X(56),
point
X(55), inconic,
perspector,
isogonal
points |
r1281 |
Mandart
ellipse |
r1284 |
Steiner
line, point X(12) |
r1429 |
circumcevian
triangle,
intouch
triangle, incenter, point
X(100) |
r1434 |
point X(100),
centroid,
Nagel
point, circumcenter |
r1473 |
incenter,
circumcenter |
r1479 |
incenter,
circumcenter,
homothetic
triangles |
r1482 |
incenter,
circumcircle,
incircle |
r1502 |
circumcircle,
excircles |
r1591 |
Euler line |
r1592 |
incenter,
ninecenter,
point
X(65) |
r1593 |
incenter,
ninecenter |
r1606 |
Gergonne
point, concyclic points |
r1607 |
Yff point,
concyclic
points |
r1610 |
centroid,
incircle,
concyclic
points |
r1645 |
incenter |
r1646 |
Nagel point,
Mittenpunkt,
cevian
circle |
r1651 |
medial
triangle, extouch triangle, side
triangle, perspective |