Introduction to Radians and Degrees

Convert π radians to degrees.

• 90⁰

• 180⁰

• 360⁰

• 60⁰

• 60⁰

• 30⁰

• 90⁰

• 45⁰

Convert 210^o to Radians

• 7π / 6

• 21π / 10

• 5π / 6

• 9π / 4

Convert π/3 radians to degrees

How many radians does a circle have?

•   360 degrees

• 2π radians

• π radians

• ^{2 radians}

Find the radian measure of the marked angle.

Mathematical Equivalence

ON

Match the following radian measure and degree measures.

• 22.5

• 1 radian

• 60˚

• 36˚

• 20˚

• ≈57.3˚

Convert π/4 radians to degrees

• 90⁰

• 45⁰

• 60⁰

• 30⁰

• 30

• 330

• 360

•  300