Angle Measures in Terms of the Radius

What is 5π/6 radians in degrees?

• 180

• 150

• 360

• 120

What is 11π/6 radians in degrees? 

• 30

• 330

• 360

•  300

What is 120 degrees in radians?
 

• 2π/3

• π/3

• 5π/3

• 4π/3

What is 225  degrees in radians? 

• 7π/4

• 5π/4

• 3π/4

• 5π/3

Alison is jogging on a circular track that has a radius of 140 feet.  She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47

• 74

• 94

• 123

Alison is jogging on a circular track that has a radius of 140 feet.  She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47

• 74

• 94

• 123

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet. Find the measure of minor arc AB to the nearest degree.

• 60

• 45

• 63

• 81

Alison is jogging on a circular track that has a radius of 140 feet. She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47

• 74

• 94

• 123

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet.  Find the measure of minor arc AB to the nearest degree.

• 90

• 60

• 55

• 113