Area and Circumference

Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the distance around the cookie?

• 10 in
• 2.5 in
• 15.7 in
• 31.4 in 

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the area of Jayne’s lollipop be? Use π = 3.14.

• 50.24 in.²

• 200.96 in²

• 12.56 in. ²

• 78.88 in^.2

The homeowners association wants to enclose the playground in a fence. How much fencing will they need to purchase? Is this question finding the area or the circumference?

• area
• circumference
• neither

James has a circular picture with a diameter of 12. How much space does his picture take up?

• 452.39

• 139.12

• 113.1

• 84.23

A Circle rug has a radius of 4 ft. How much space does the rug cover?

• 4π or about 12.56

• 16π or about 50.24

• 2π or about 6.28

• 8π or about 25.12

A Circle flower bed has a radius of 6 inches. How much wire was used to place around the flower bed?

• 3π or about 9.42 in

• 6π or about 18.84 in

• 12π or about 37.68 in

• 36π or about 113.04 in

The bottom of a mug has a radius of 6 inches. Kim wants to buy a coaster that fits perfectly under her mug. How big should the coaster be?

• 3π or about 9.42 in²

• 6π or about 18.84 in²

• 12π or about 37.68 in²

• 36π or about 113.04 in²

A Ferris wheel has a diameter of 10 centimeters. When it makes a full rotation, how far did the Ferris wheel turn?

• 5π or about 15.7 cm

• 10π or about 31.4 cm

• 20π or about 62.8 cm

• 100π or about 314 cm

A Circle has a diameter of 10 centimeters.  What is the area of the circle? (Best Choice)

• 5π or about 15.7 cm²
• 10π or about 31.4 cm²
• 25π or about 78.5 cm²
• 100π or about 314 cm²