Circumference and Arc Length

Question 1

Arc CD is of the circumference of a circle. What is the radian measure of the central angle?

Revolt · Accepted Answer

radians

Question 2

Consider circle T with radius 24 in. and θ = radians.

Revolt · Accepted Answer

20π in.

Question 3

In circle O, the length of radius OL is 6 cm and the length of arc LM is 6.3 cm. The measure of angle MON is 75°.

Revolt · Accepted Answer

14.2 cm

Question 4

Circle Q has a circumference of approximately 50 centimeters.

Revolt · Accepted Answer

15.9 centimeters

Question 5

Major arc CBD measures 300°.

Revolt · Accepted Answer

radians

Question 6

Circle O has a circumference of approximately 44 in.

Question 7

An arc on a circle measures 125°. The measure of the central angle, in radians, is within which range?

Revolt · Accepted Answer

to π radians

Question 8

Arc CD is of the circumference of a circle. What is the radian measure of the central angle?

Revolt · Accepted Answer

radians

Question 9

In circle M, diameters JL and HK each measure 16 centimeters.

Revolt · Accepted Answer

3.5 cm

Question 10

Circle O has a circumference of approximately 44 in.

Revolt · Accepted Answer

14 in.

Circumference and Arc Length Answers