Answer:
144 hope it helps
Step-by-step explanation:
C)17
you put the number in order from little to big and the one in the middle is your answer
A full circle is 360°.
x + 3x + 90° = 360°
4x = 360° - 90°
4x = 270°
4x/4 = 270°/4
x = 67.5°
Hope it helps! Make me brainliest if it’s correct.