Circular Measurements

DEGREES

N: 90°

S: 270°

E: 0°, 360°

W: 180°

GRADIANS

N: 100

S: 300

E: 0, 400

W: 200

RADIANS

N: Pi/2

S: 3Pi/2

E: 0, 2Pi

W: Pi

1° = 1/360 of a circle 1 grad = 1/400 of a circle = 0.9° 1 radian = 57.3°