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    Question

    In the figure, ABCD is a cyclic quadrilateral with O as

    center of the circle If ∠ BOC = 136°, find ∠ OBC.
    A 10 Correct Answer Incorrect Answer
    B 22 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer

    Solution

    ATQ, In triangle OBC- ∠ BOC+ ∠ OBC+ ∠ OCB = 180 136 + ∠ OBC+ ∠ OBC = 180 ( OB = OC ) 2 ∠ OBC = 44 ∠ OBC = 22

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