In the adjoining figure , it is given that ZA=50 , ZB=70 and BO and CO are bisector of ZB and ZC respectively.Find the measure of ZBOC
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Answer:
∠BOC = 115
Step-by-step explanation:
We Know That:
∠A+∠B+∠C = 180
∠A = 50
∠B = 70
Therefore, ∠C = 60
In triangle ΔBOC,
∠OBC = ∠B/2 = 35
∠OCB = ∠C/2 = 30
∠BOC+∠OBC+∠OCB = 180
35+30+∠BOC = 180
65+∠BOC = 180
∠BOC = 115
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