r1926

Let A', B', C' be the reflections of the vertices con the opposite sides; AtBtCt the tangential triangle. Let Oa, Ob, Oc be the circumcenters of AtB'C', BtC'A', CtA'B'. The triangles ABC, OaObOc are orthologic, with orthologic centers the orthocenter H and the point X(265).


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