SAT Practice Questions: Degrees and Radians

By Ron Woldoff

When you encounter questions on the SAT Math exam that deal with angles in a circle, you may need to convert from radians to degrees, and back. The following practice questions ask you to do just that.

Practice questions

Both questions are based on the following information: in a circle with center O, points N and P lie on the circle, and angle NOP has a measure of


  1. What is the degree measure of angle NOP?
  2. What is the radian measure of angle KOL?

Answers and explanations

  1. The correct answer is Choice (A).
  2. The correct answer is Choice (B).