POINT X(63)
r99
Wallace hyperbola,
De Longchamps point
r351
incenter,
point X(79),
perspective,
complement,
tripolar
r356
Bevan point
r355
centroid,
incenter
,
Gergonne point
,
Nagel point
,
De Longchamps point
,
Schiffler point
d
point X(92)