Points and are fixed and non-collinear

MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles

Problem

Points A,B,A, B, and CC are fixed and non-collinear. A point PP is chosen such that ∠APB=∠ACB\angle APB = \angle ACB. Prove that the four points A,B,C,A, B, C, and PP are concyclic.

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