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Hanoi Open Mathematics Competition 2007 Senior Question 13

HOMC · Hanoi Open Mathematics Competition 2007 Senior

Question 13

Let $ABC$ be an acute-angle triangle with $BC\gt CA$. Let $O,H,F$ be the circumcenter, orthocentre and the foot of its altitude $CH$, respectively. Suppose that the perpendicular to $OF$ at $F$ meets the side $CA$ at $P$. Prove $\angle FHP=\angle BAC$.