SCMS Applying Circumference and Area of Circles 2022

Which expression could be used to find the circumference of this quilt piece in terms of pi? (Do not use the pi symbol, type out the word pi.)

• 6.5, 13

• 15.2, 30.4

• 12.4, 24.8

• 78.6, 157.2

A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates three times? Use 3.14 for pi.

• 84.78 inches

• 105.321 inches

• 254.34 inches

• 572.265 inches

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 56.25 ft
• 246 ft
• 365 ft
• 393 ft

Tags

CCSS.7.G.B.4

Daniel wants to buy cookies for her friend. The radius of a cookie is 5 inches. What is the cookie’s  circumference? Use 3.14 for pi.

• 10 in
• 2.5 in
• 15.7 in
• 31.4 in 

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the area of the bowl in terms of pi?

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area? Use 3.14 for pi.

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.26 m²

You want to buy the largest pizza in North Carolina. You find a circular pizza that has a crust with a measurement of 75.36 inches. What is the area of that pizza? Use 3.14 for pi.

• 452.16 in sq

• 12.8 in sq

• 24.625 in sq

• 144.34 in sq

A circular race track has a diameter of 1/2 mile. How far does a car travel in one lap around the track? Use 3.14 for pi.

• 1 mile

• 0.25 miles

• 1.57 miles

• 15.7 miles