Rotation and Radian Measure

How many radians does a circle have?

•   360 degrees
• 2pi radians
• pi radians
• ^{2 radians}

Convert π radians to degrees.

• 90⁰
• 180⁰
• 360⁰
• 60⁰

Convert 150⁰ to radians

• 5π/6
• 3π/4
• 7π/6
• 2π/3

Convert π/3 radians to degrees

• 60⁰
• 30⁰
• 90⁰
• 45⁰

Convert π/4 radians to degrees

• 90⁰
• 45⁰
• 60⁰
• 30⁰

Convert 100⁰ to radians

• 5π/9
• π/2
• 5π/8
• 5π/6

What is 7π/4 radians in degrees?

• 300
• 135
• 315
• 45

What is 4π/3 radians in degrees?
 

• 120
• 240
• 210
• 270

What is 270 degrees in radians? 

• π/4
• 3π/2
• 3π/4
• π/2

What is 225  degrees in radians? 

• 7π/4
• 5π/4
• 3π/4
• 5π/3