Area of a Circle and a Sector

Question 1

Two similar circles are shown. The circumference of the larger circle, with radius OB, is 3 times the circumference of the smaller circle, with radius OA.

Revolt · Accepted Answer

6πx units

Question 2

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

Revolt · Accepted Answer

20π in.

Question 3

Circle O has a circumference of approximately 44 in.

Revolt · Accepted Answer

14 in.

Question 4

Major arc CBD measures 300°.

Revolt · Accepted Answer

radians

Question 5

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

Revolt · Accepted Answer

radians

Question 6

Circle O has a circumference of approximately 250π ft.

Revolt · Accepted Answer

250 ft

Question 7

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

Revolt · Accepted Answer

3.5 cm

Question 8

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 9

Circle Q has a circumference of approximately 50 centimeters.

Revolt · Accepted Answer

15.9 centimeters

Question 10

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

Area of a Circle and a Sector Answers

More from this Course

TRY EDGENUITY HACKS