Radians and Degrees and Arc Length

Which of the following is closest to the measure of the angle drawn by the green curve?

• 5/6 π

• 5/3 π

• 4/5 π

• 4/3 π

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

Convert π radians to degrees.

• 90⁰

• 180⁰

• 360⁰

• 60⁰

Convert 150⁰ to radians

• 5π/6

• 3π/4

• 7π/6

• 2π/3

How many radians are there in half a circle?

• 2 pi

• 180^o

• 360^o

• pi

Find the sector area of the bolded section. Round your answer to the nearest tenth.

Find the sector area.

• 114π/5 ft

• 2850 ft

• 95π/6 ft

• 150π/19 ft

• 47

• 74

• 94

• 123

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer. (Use 3.14 for π )

• 5

• 9

• 8

• 6