Question

Find the value of x picture attached

Answer 1

x = 10

Explanation:

These angles are same side interior angles.

This means that (11x + 10) + (10x - 40) = 180

Solve for x:

11x + 10 + 10x - 40 = 180

21x - 30 = 180

+30 +30

21x = 210

/21 /21

x = 10