Respuesta :
Answer:
67.5
Step-by-step explanation:
3x + x = 4x
360-90=270
270 divided by 4 = x
Hope this helps! Have a nice life and Good Luck!
A full circle is 360°.
x + 3x + 90° = 360°
4x = 360° - 90°
x = 270°/4
x = 67.5°
x + 3x + 90° = 360°
4x = 360° - 90°
x = 270°/4
x = 67.5°