Question

Work out the value of x

Ps I would appreciate if you showed me how to work it out

Thank you​

Answer 1

x = 67.5°

Explanation:

A circle's angles add up to 360°

So,

x+3x+90 = 360

4x+90 = 360

4x = 360-90

4x = 270

Dividing both sides by 4

x = 67.5°