Radian Measure Answers

A circle has a central angle of 6 radians that intersects an arc of length 14 in. Which equation finds the length of the radius, r, of the circle?

What is 720° converted to radians?

Which of the following are in the correct order from least to greatest?

Which equation gives the length of an arc, s, intersected by a central angle of 3 radians in a circle with a radius of 4 in.?

What is 4 radians converted to degrees? If necessary, round your answer to the nearest degree.

Which expression converts 45° to radians?

What is radians converted to degrees? If necessary, round your answer to the nearest degree.

A circle has a central angle measuring radians that intersects an arc of length 33 cm. What is the length of the radius of the circle? Round your answer to the nearest whole cm. Use 3.14 for .

Which expression converts radians to degrees?

A circle has a central angle measuring radians that intersects an arc of length 45 in. What is the length of the radius of the circle? Round your answer to the nearest tenth. Use 3.14 for .

A circle has a radius of 5 ft, and an arc of length 7 ft is made by the intersection of the circle with a central angle. Which equation gives the measure of the central angle, q?

What is –36° converted to radians?

Which expression converts 8 radians to degrees?

How long is the arc intersected by a central angle of radians in a circle with a radius of 4.5 cm? Round your answer to the nearest tenth. Use 3.14 for .

What is radians converted to degrees? If necessary, round your answer to the nearest degree.

What is the approximate length of arc s on the circle below? Use 3.14 for . Round your answer to the nearest tenth.