r594	homothetic triangles
r596	incenter, point X(79), Feuerbach hyperbola, point X(500)
r635	incircle, centroid, Yff point, incenter
r657	Gossard triangle, inconic
r658	Gossard point
r666	point X(110), Steiner line
r674	orthocenter, isogonal points, tripolar
r685	isologic points, isodynamic points, concyclic points
r686	isodynamic points, Fermat points, Vecten points
r699	point X(842), Tarry point, Brocard line, point X(74)
r701	point X(681), Brocard line, point X(110), Steiner point
r708	Jerabek hyperbola, ninecircle
r722	point X(237), Lemoine line
r732	excenters, point X(442)
r768	point X(80), Evans perspector
r803	point X(265)
r804	altitudes, point X(265)
r808	orthologic triangles
r849	point X(442), orthic triangle, orthiac triangles
r850	sinorthiac triangles
r857	Kiepert hyperbola, Fermat points, isodynamic points, Brocard line
r916	incenter, excenters, Tixier point
r918	pedal triangle, excenters, intouch triangle, circumcenter
r927	circumcenter, point X(110), Tixier point
r934	intangential triangle, circumcenter, incenter

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