r2078

Let O be the circumcenter; A'B'C' its cevian triangle; A”, B”, C” in OA', OB', OC' such that OA”/OA' = OB”/OB' = OC”/OC'. Define A* as intersection between BC” and CB”, and B*, C* cyclically. The lines AA*, BB*, CC* concur at a point in the circumhyperbola through O and the ninecenter N.


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