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    Question

    If PA and PB are tangents to the circle with centre O

    such that angle APB = 50°,then angle OAB =
    A 30° Correct Answer Incorrect Answer
    B 40° Correct Answer Incorrect Answer
    C 50° Correct Answer Incorrect Answer
    D 25° Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    We are given a circle with center O, and two tangents PA and PB from an external point P, with ∠APB=50°. We need to find ∠OAB.

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