SSC CGL Model Paper 17

Question : 66 of 99

Marks: +1, -0

In a triangle ABC, OB and OC are the angle bisectors of ∠B and ∠C. If ∠BOC is 122°. Find ∠A ?

Solution:

O is the incenter

90°+{∠\A}/2=122°

⇒∠\A=64°

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