Question

find angle bac and angle bpc​

Answer 1

∠OAB = ∠OAC (Because OA = OB)

∠OAB = 50°

Similarly, ∠OAC = 30°

∠BAC = 80°

As, ABPC is a cyclic quadrilateral, ∠BPC + ∠BAC = 180°

∠BPC = 100°