Question

Lines a and b are parallel. What is the value of x? (I will mark brainliest) (please hurry)
A. 5
B. 10
C. 35
D. 55

Answer 1

Answer:

A.5

Step-by-step explanation:

11x+7x+90=180

11x and the unlabeled angle in the triangle are alt. interior and are equal

18x=90

divide both sides by 18

x=5