Find the magnitude of the angle B. Please answer fast I have exam tomorrow. please answer with explanation and the answer will be definitely marked as brainliest
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Find the magnitude of the angle B. Please answer fast I have exam tomorrow. please answer with explanation and the answer will be definitely marked as brainliest
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A + B+C=180
70+B +40=180
B= 180-110
B= 70
70°+ Angle B = 140°
Angle B = 140°-70°=70°