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O is the centre of the circle.Given that ∠OAB = 20∘, ∠OCB = 55∘. Find ∠BOC and ∠AOC in degree. ___ |
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Answer» O is the centre of the circle.Given that ∠OAB = 20∘, ∠OCB = 55∘. Find ∠BOC and ∠AOC in degree. |
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