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Maths · Congruence & similarity

Crossover

ABCDEABCDE is a regular pentagon. PP is the point on BCBC with BP:PC=2:3BP:PC = 2:3, and QQ is the point on CDCD with CQ:QD=2:3CQ:QD = 2:3. The lines APAP and BQBQ cross at XX. Work out angle AXBAXB.

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