r7 |
first
Brocard triangle, orthologic triangles |
r20 |
centroid,
first
Brocard triangle, Euler line |
r80 |
orthocenter,
point
X(32), Brocard line |
r91 |
Kiepert
hyperbola, circumcircle |
r92 |
isogonal
of the infinite point, Brocard line |
r101 |
Steiner
axis, symmedian point, centroid,
circumcenter,
Steiner
point |
r104 |
point X(115),
Fermat
points,
orthocenter |
r146 |
ninecenter,
third
Brocard point, symmedian point,
point
X(262) |
r251 |
Euler line,
Fermat
axis, orthocenter,
Kiepert
hyperbola |
r250 |
circumcircle,
centroid,
Fermat
axis, point
X(110) |
r321 |
Neuberg
triangle, perspective |
d |
Neuberg circles |
d |
point X(237) |
r509 |
point X(115),
point
X(110), Parry point, complement,
ninecircle |
r625 |
Steiner
point, Brocard points,
antigonal
points,
cevian triangle |
r626 |
altitudes,
circumconic |
r682 |
Steiner
dual line,
point
X(125), centroid |
r699 |
point X(842),
Euler
line,
Brocard
line, point X(74) |
r981 |
intouch
triangle, Feuerbach point,
Brocard
circle |
r1023 |
orthocenter,
MacBeath
conic, isogonal points,
isotomic
points, point X(125) |
r1112 |
circumcircle,
Brocard
line,
Steiner
point, Steiner axis |
r1124 |
point X(671),
point
X(190), Spieker
point, Euler line |
r1139 |
Euler line,
tripolar,
Brocard
circle |
r1169 |
Brocard
line, Lemoine
line, Steiner
point, isogonal points, orthocenter,
circumconic,
point
X(32), point X(237) |
r1174 |
centroid,
symmedian
point,
isotomic points,
De
Longchamps line |