Circumference and Area of a Circle

A horse is tethered to a peg at the center of the field. If the length of the rope is 18.3 m (radius), what will be the maximum area the horse can graze?

• 1051.6 m²

• 57.5 m²

• 75.76 m²

• 4206 m²

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?)

• sq. ft

• 13 sq. ft

• 3 sq. ft

• 26 sq. ft

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

What is the area of a circle with a diameter of 12cm?

• 452.39cm²

• 139.12cm²

• 113.1cm²

• 84.23cm²

Jake's cow is tied to a beanstalk with a piece of rope that is 15ft long. What is the area of the circle in which the cow can graze?

• 47.1 ft.

• 176.7 ft²

• 706.9 ft²

• 94.2 ft

What is the radius of this circle?

• 18in

• 36in

• 9in

• 8in

Steven purchases a bowl. The diameter of the bowl is 14 cm.
What is the distance around the bowl?

• 21.98 cm

• 43.98 cm

• 87.96 cm

• 7 cm

A cruise ship has a large, circular window. It has a diameter of 6 meters. How many square meters of glass is the window made of?

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.27 m²

Find the radius of a circle if the area is 201.1 mi²

• 10 mi

• 8mi

• 20 mi

• 5mi

The radius of a circle is 6.5 inches.

Find the circumference of the circle.

• 132.7 in

• 40.8 in

• 20.4 in

• 572.3 in