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
samir80761
Angle A + Angle B = angle C ( the magnitude of an angle outside a triangle is equal to the sum of the opposite angles or remote angles ) 70°+ Angle B = 140° Angle B = 140°-70°=70°
Answers & Comments
A + B+C=180
70+B +40=180
B= 180-110
B= 70
70°+ Angle B = 140°
Angle B = 140°-70°=70°