in a triangle one of the exterior angle is 120° and the two interior opposite angles are 50 ° and X °.Find X°.
70°
60°
40°
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Step-by-step explanation:
Exterior angle = Sum of interior opposite angles
Therefore 120° = 50° + x
120°-50°= x (Transposition)
70°= x
Your answer is 70°.
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