r159	point X(858),complement, far-out point, anticomplement
r436	Euler line, orthic axis
r437	De Longchamps point
r584	orthocenter, point X(403), point X(186)
r589	centroid, point X(125), Parry point, concyclic points
r728	Exeter point, complement, Gob point, ninecircle, orthocentroidal circle, inverse points
r972	circumcenter, circumcevian triangle, Euler line, perspective, circumcircle
r1101	orthoassociate points, centroid
r1588	circumcircle, Simson line, Euler line, ninecircle, circumcevian triangle
r1681	centroid, orthocenter, cevian circle, medians, altitude feet