In a triangle ABC, incentre is O and ∠BOC = 110°, then the measure of ∠BAC is:
A. 20°
B. 40°
C. 55°
D. 110°
Answer: Option B
Solution (By Examveda Team)
According to question,Given : ∠BOC = 110°
∠BOC = 90° + $$\frac{1}{2}$$ ∠A
110° = 90° + $$\frac{{\angle A}}{2}$$
$$\frac{{\angle A}}{2}$$ = 20
∠A = 40°
This Question Belongs to Arithmetic Ability >> Triangles
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