1.

In a ΔABC, if ∠A = 60°, ∠B = 80° and the bisectors of ∠B and ∠C meet at O, then ∠BOC =(a) 60°(b) 120°(c) 150°(d) 30°

Answer» In a ΔABC, if ∠A = 60°, ∠B = 80° and the bisectors of ∠B and ∠C meet at O, then ∠BOC =



(a) 60°



(b) 120°



(c) 150°



(d) 30°


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