Defining key terms related to circles

What is 30° in radians?

• 1/6
• π/6
• 1/7
• π/7

• 60

• 35

• 45

• 90

Convert to degrees: 11π/6

• 300°
• 315°
• 330°
• 350°

Convert π/4 radians to degrees.

• 90⁰
• 45⁰
• 60⁰
• 30⁰

**What is 4π/3 radians in degrees?

• 120

• 240

• 210

• 270

 $\frac{\pi}{2}$  

• 45°

• 30°
  

• 60°

• 90°

What is 120 degrees in radians?
 

• 2π/3
• π/3
• 5π/3
• 4π/3

• 350^o

• 340^o

• 355^o

• 345⁰