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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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