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).

About This Article

This article is from the book:

About the book author:

Ron Woldoff is the founder of National Test Prep, where he helps students prepare for the SAT, GMAT, and GRE. He is the author of several books, including GRE For Dummies and 1,001 GRE Practice Questions For Dummies.

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