Given an acute triangle ABC with circumcenter O. The circumcircle of BCH and a circle with diameter of AC intersect at P(P≠C). A point Q on segment of PC such that PB=PQ. Prove that ∠ABC=∠AQP
Problem
Source: Indonesian TST for IMO 2023 stage 1: Test 3 - Geometry
Tags: projective geometry, geometry, Indonesia, Indonesia TST