Degree (angle)
The degree (denoted by the symbol °) is a measurement of a plane angle in which one full rotation is 360 degrees.Sometimes, the size of an angle is expressed in radians (rad).
1° = (π / 180) rad ≈ 0.17 rad
1 rad = (180 / π)° ≈ 57°
1 rad = (180 / π)° ≈ 57°