Answer:
C. 70
Step-by-step explanation:
x + (x + 40) = 180
2x + 40 = 180
2x = 140
x = 70
70
In a trapezoid lines are parallel, so corresponding angle sum = 180
X+X+40 = 180
2x = 180-40
X = 140/2
X = 70
Answered by Gauthmath
