Radian Circle

Convert π radians to degrees.

• 90⁰

• 180⁰

• 360⁰

• 60⁰

What is 5π/6 radians in degrees?

• 180

• 150

• 360

• 120

What is 7π/4 radians in degrees?

• 300

• 135

• 315

• 45

What is 225  degrees in radians? 

• 7π/4

• 5π/4

• 3π/4

• 5π/3

What is 4π/3 radians in degrees?
 

• 120

• 240

• 210

• 270

Convert 510^o to Radians

• 25π / 3

• 23π / 8

• 17π / 6

• 51π / 8

• 12π cm

• 27π cm

• 12 cm

• 27 cm

A circle has radius 12 inches. A central angle intercepts an arc of length 36 inches. What is the radian measure of the central angle?

• 3 radian

• 2 radian

• 6 radian

• 9 radian

Find the arc length

• 7 cm

• 28π cm

• 7π cm

• 28 cm

The diameter of a circle is 8 centimeters. A central angle of the circle intercepts an arc of 12 centimeters. What is the radian measure of the angle?

• 3

• 4

• 8π

• 3/2