| r1550 |
excenters,
cevian
quotient |
| r1551 |
circumcenter,
circumcevian
triangle,
Euler
line,
point X(165) |
| r1552 |
circumcevian
triangle,
Euler
line |
| r1585 |
Euler line |
| r1592 |
Feuerbach
point, ninecenter,
point
X(65) |
| r1593 |
Feuerbach
point, ninecenter |
| r1594 |
point X(57),
point
X(55), point X(165) |
| r1596 |
isogonal
points, incentric
triangle |
| r1601 |
circumcircle |
| r1608 |
Yff point,
circumcenter |
| r1609 |
circumcenter,centroid,
incircle,
pedal
triangle |
| r1613 |
perspective,
intouch
triangle |
| r1627 |
Gergonne
point, intouch triangle, concyclic
points |
| r1628 |
Gergonne
point, intouch triangle, concyclic
points |
| r1638 |
circumcevian
triangle,
perspective,
centroid,
circumcenter,
Bevan
point, point X(56) |
| r1644 |
intouch
triangle, Nagel point,
incircle |
| r1645 |
Feuerbach
point |
| r1650 |
orthocenter,
Fuhrmann
circle |
| r1695 |
Vecten
squares |
| r1704 |
circumcenter,
circumcevian
triangle,
homothetic triangles |
| r1708 |
circumcenter,
circumcevian
triangle,
homothetic triangles |
| r1712 |
circumcenter,
circumcevian
triangle |
| r1725 |
altitude
feet, Soddy points |
