Circles and Sectors Word Problems

The diameter of a circle on a coordinate plane has endpoints at (2,3) and (2,8). What is the approximate are of the circle?

• 16 square units

• 20 square units

• 25 square units

• 79 square units

The radius of the larger circle is 5 meters and the radius of the smaller circle is 2.5 meters. What is the approximate area of the shaded region?

• 5 squared meters

• 20 squared meters

• 59 squared meters

• 79 squared meters

A circle has a radius of 3.75 meters. What is the approximate area of the circle?

• 12 square meters

• 14 square meters

• 24 square meters

• 44 square meters

What is the approximate length of the radius of a circle with a circumference of 63 inches?

• 4 in

• 8 in

• 10 in

• 20 in

The radius of the wheel is 12 inches. What is the approximate circumference of the wheel?

• 19 inches

• 24 inches

• 38 inches

• 75 inches

Mario ordered a pizza that had a diameter of 14 inches. What is the approximate area of the pizza?

• 22 in^.2

• 44 in^.2

• 154 in^.2

• 616 in^.2

What is the approximate circumference of a circle with a radius of 5 in.?

• 16 in

• 20 in

• 31 in

• 79 in

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 the YELLOW SECTOR?

• 3.3 ft²

• 4.5 ft²

• 6.3 ft²

• 7.1 ft²

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

• 8π/3

• 2π/3

• 32π/3

• 4π/3

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5

• 9

• 8

• 6