Q. 33.5( 8 Votes )

In Δ ABC, if B = 60°, C = 80° and the bisectors of angles ABC and ACB meet at a point O, then find the measure of BOC.

Answer :

In BOC,

BOC + OCB + OBC = 180°


BOC + 1/2 × (80) + 1/2 × (40) = 180°


BOC = 180° -70o


BOC = 110°


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