| r537 |
excircles,
Conway
circle |
| r545 |
intouch
triangle,
Feuerbach point, homothetic
triangles |
| r548 |
intouch
triangle, point X(12), incircle,
homothetic
triangles |
| r578 |
point X(125),
ninecenter,
Euler
line,
orthologic
triangles |
| r647 |
orthopole,
orthic
triangle,
point X(389) |
| r648 |
orthic
triangle,
Steiner point, Simson
line |
| r650 |
Steiner
inellipse,
intouch triangle, side
triangle, perspective |
| r651 |
Feuerbach
point, intouch triangle, side
triangle, perspective |
| r664 |
perspective,
excircles,
Yff
point |
| r683 |
incenter,
ninecenter,
perspective |
| r718 |
perspective,
excircles,
complement,
Yff
point |
| r749 |
perspective,
centroid,
retrocenter |
| r754 |
polar circle,
De
Longchamps circle |
| r773 |
perspective,
cevian
triangle, isotomic complement |
| r788 |
circumcircle,
circumconic,
centroid |
| r798 |
intouch
triangle |
| r799 |
circumcenter,
orthic
triangle,
symmedian lines |
| r897 |
Spieker
point, excircles,
ninecircle,
perspective |
| r954 |
first
Brocard parabola, Kiepert hyperbola, centroid |
| r979 |
orthocenter,
circumcenter,
centroid,
circumcevian
triangle, orthic triangle,
homothetic
triangles, harmonic points |
| r1004 |
perspective,
cevian
triangle, orthic axis, circumcircle |
| r1005 |
perspective,
cevian
triangle, ninecircle,
De
Longchamps line |
| r1033 |
cevian
triangle, Feuerbach point, point
X(115) |
| r1043 |
excenters,
excircles,
Spieker
point,
homothetic triangles |
