Question

What is the difference between a 30° angle and a -30° angle?

Please provide a complete sentence or two.

Answer 1

See below

Explanation:

A 30° angle is measured 30° counterclockwise while a -30° angle is measured 30° clockwise. Therefore, you can say -30°=360-30°=330° because 30° is a reference angle located in Quadrant IV.