Circles and Sectors Word Problems

The radius of this pizza is 9 ½ in. What is the approximate area of the pizza?

• 81 in²

• 29.83 in²

• 59 ⅔ in²

• 283 ½ in²

A cathedral window is built in the shape of a semicircle. If the window is to contain three stained glass sections of equal size, what is the area of each stained glass section? Express answer to the nearest square foot. (Hint: the 3 sections together are 1/2 a circle, so each section is how much of the circle?)

• 1 sq. ft

• 13 sq. ft

• 3 sq. ft

• 26 sq. ft

A DVD has a diameter of 15 millimeters. Which equation would help you determine the area?

• A = 15²π

• A = 2π15

• A = 7.5²π

• A = 15 π

This crop circle has a diameter of 118 ft. What is the approximate area of the crop circle?

• 370.5 ft²

• 43,721.4 ft²

• 10,930.34 ft²

• 185.26 ft²

Find the area of the shaded sector. Round to the nearest hundredth.

• 7.92 units ²

• 24.74 units²

• 10.60 units²

• 98.19 units²

What is the area of the shaded region? Round to the nearest hundredth.

• 1.26

• 452.39

• 9.42

• 113.10

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.

• 9.2 in²

• 10.5 in²

• 31.4 in²

• 38.2 in²

Find the estimated area of the shaded area.

• 10.732 units squared

• 16.8 units squared

• 9.75 units squared

• 2.9 units squared

What is the area of the shaded region? Leave answers in terms of π.

• ⅜π

• 8/3π

• ⅔π

• 4/3π

Find the area of the shaded sector.

• 30.8

• 5.5

• 18.1

• 3.3