Radian Measures, Rotations, Angles in Standard Position

What is 0 degrees in radians? 

• 2π 
• 0
• π
•  π/2

What is 360 degrees in radians? 

• 2π/3
• 5π/4
• 2π
• π

How many radians does a circle have?

• 360 degrees

• 2π radians

• π radians

• ^{2 radians}

Convert π radians to degrees.

• 90⁰
• 180⁰
• 360⁰
• 60⁰

Convert 100⁰ to radians

• 5π/9
• π/2
• 5π/8
• 5π/6

What is a radian?

• a central angle created when the radius is wrapped around a circle.

• a central angle created when the radius is twice as big as the arc length

• a central angle created when the radius is half as big as the arc length

• a misspelling of radius

How many degrees does a circle have?

• 360 degrees
• 2pi
• 180 degrees
• pi

How many radians are there in half a circle?

• 2 pi
• 180^o
• 360^o
• pi

Convert 210^o to Radians

• 7π / 6

• 21π / 10

• 5π / 6

• 9π / 4

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