Reference Angles in Radians

What is 4π/3 radians in degrees?
 

• 120
• 240
• 210
• 270

What is 5π/6 radians in degrees?

• 180
• 150
• 360
• 120

What is 120 degrees in radians?
 

• 2π/3
• π/3
• 5π/3
• 4π/3

What is the reference angle for 11π/6

• π/6
• π/3
• 2π/6
• 5π/6

What is the reference angle for 2π/3

• π/4
• 7π/6
• 4π/3
• π/3

What quadrant is 7π/3?

• I

• II

• III

• ^IV

Name the quadrant in which the terminal side lies: -π/12

• Quadrant I
• Quadrant II
• Quadrant III
• Quadrant IV

Which of the following is closest to the measure of the angle shown?

• 7/10 π
• 3/8 π
• 7/20 π
• 3/2 π

Which of the following is closest to the measure of the angle shown?

• 30º
• 40º
• 395º
• 440º

Find the reference angle for an angle measuring -310⁰

• 50⁰
• -50⁰
• 20⁰
• 40⁰