Circumference and Arc Length

Question 1

An arc on a circle measures 295°. The measure of the central angle, in radians, is within which range?

Revolt · Accepted Answer

to 2π radians

Question 2

Circle O has a circumference of approximately 250π ft.

Revolt · Accepted Answer

250 ft

Question 3

An arc on a circle measures 85°. The measure of the central angle, in radians, is within which range?

Revolt · Accepted Answer

0 to radians

Question 4

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

Revolt · Accepted Answer

radians

Question 5

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

Revolt · Accepted Answer

20π in.

Question 6

Circle O has a circumference of approximately 44 in.

Revolt · Accepted Answer

14 in.

Question 7

In the diagram below, Θ is measured in radians. Which equation represents the relationship between the radius, r, and arc length, s?

Revolt · Accepted Answer

s = Θ · r

Question 8

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 9

Minor arc KL measures 135°.

Revolt · Accepted Answer

radians

Question 10

Circle P has a circumference of approximately 75 inches.

Revolt · Accepted Answer

12 inches

Circumference and Arc Length Answers