Respuesta :

Answer:

C. 70

Step-by-step explanation:

x + (x + 40) = 180

2x + 40 = 180

2x = 140

x = 70

Answer:

70

Step-by-step explanation:

In a trapezoid lines are parallel, so corresponding angle sum = 180

X+X+40 = 180

2x + 40 = 180

2x = 180-40

2x = 140

X = 140/2

X = 70

Answered by Gauthmath

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