Answer:
Step-by-step explanation:
The small square represents a 90 degree angle. So you know 1 angle
5x + 4x + 90 = 360 because you have a circle in the center. Combine left.
9x + 90 = 360 Subtract 90 from both sides
9x = 360 - 90 Combine
9x = 270 Divide by 9
x = 270/9
x = 30