any help?? please :))

Answer:
x = 135°
Step-by-step explanation:
Hello!
The measure of Angle x is simply the sum of the other angles, JGH, and FGJ.
Solve for x:
The value of x is 135°
Theorem Used: Parts Whole Postulate
Parts whole postulate is the adding and subtracting of different lengths to find a specified value.