Question

Find the value of x that makes A || B.

Answer 1

X = 15

Explanation:

Since these lines are parallel, this means that Angle 2 is equal to angles 5 and 3.

Since it is equal to 3, this means angle 2 + angle 4 = 180

2x+10+4x+80=180

6x+90=180

6x=90

x=15