Answer:8
Explanation:
Because Angle GJH is 90 degrees, Angle HJZ is also 90 degrees. (Because all right angles are 90 degrees)
Now, find Angle WJZ
90 - 18 = 72 degrees
By the Vertical Angles Theorem, Angle GJL is congruent to Angle ZJW
Now solve for x
72 = 9x
x = 8