In Δ ABC, the internal bisectors of ∠B and ∠ C meet at point O. If ∠A=80º, then ∠BOC is of:

  1. 130o
  2. 120o
  3. 100o
  4. 140o
Anurag Mishra Professor Asked on 10th December 2015 in Maths.
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    Answer:  (1) 130 degree

    Anurag Mishra Professor Answered on 10th December 2015.
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