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O is the centre of the circle. ∠OAB = 20∘, ∠OCB = 55∘. Then∠BOC= and \(\angle)AOC= ___ |
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Answer» O is the centre of the circle. ∠OAB = 20∘, ∠OCB = 55∘. Then∠BOC= and \(\angle)AOC= |
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