Question

    If O is the orthocentre of ΔABC , if ∠ BOC =

    1400 then what is the measure of  ∠ BAC?
    A 35° Correct Answer Incorrect Answer
    B 50° Correct Answer Incorrect Answer
    C 65° Correct Answer Incorrect Answer
    D 40° Correct Answer Incorrect Answer

    Solution

    If O is the orthocentre of ΔABC,  then ∠ BOC + ∠ BAC = 180 0 or 1400   + ∠ BAC  = 180 0   or ∠ BAC = 180 0   - 1400     = 400  

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