∠A + $$\frac{1}{2}$$ ∠B + ∠C = 140°, then ∠B is : – McqOptions

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1.	∠A + $$\frac{1}{2}$$ ∠B + ∠C = 140°, then ∠B is :
A.	0°
B.	0°
C.	0°
D.	0°
Answer» C. 0°

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