Hi !
For example,if you have 3π/4 that means you have 3*180°/4=135 degrees
Because: π=180° so you just have to replace π to 180°
Vice vers:you just have to replace 180° to π
For example:What it means 225°?
225°=270°-45°
=3*180°/2 - 180°/4
=3π/2- π/4
=(6π-π)/4
=5π/4