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    Question

    If O is circumcentre of acute angled triangle ABC,

    if ∠  BAC = 70˚  then  ∠ BOC = ?
    A 30° Correct Answer Incorrect Answer
    B 65° Correct Answer Incorrect Answer
    C 70° Correct Answer Incorrect Answer
    D 140° Correct Answer Incorrect Answer

    Solution

    If O is circumcentre of acute angled triangle ABC, then  ∠  BOC = 2 ∠  BAC  = 2   700 ∠  BOC = 1400

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