Circumference & Circle Area Quiz

True or False: The radius of a circle is twice its diameter.

• True

• False

Tags

CCSS.HSG.C.A.2

True or False: To find the diameter of a circle, divide its circumference by  $\pi$  .

• True

• False

Tags

CCSS.7.G.B.4

True or False: The circumference of a circle is greater than its diameter.

• True

• False

True or False: The circumference of a circle is twice its radius.

• True

• False

Tags

CCSS.7.G.B.4

True or False: To find the diameter of a circle, multiply its radius by 2.

• True

• False

Tags

CCSS.7.G.B.4

A pizza has a diameter of 25 inches. What is the area of the pizza? Use 3.14 for  $\pi$  .

•  $78.5\ inches^2$  

•  $490.625\ inches^2$  

•  $157\ inches^2$  

•  $1962.5\ inches^2$  

Tags

CCSS.7.G.B.4

Find the circumference. Use 3.14 for  $\pi$  .

• 9.42 inches

• 18.84 inches

• 4.71 inches

• 7.065 inches

Tags

CCSS.7.G.B.4

Find the area. Use 3.14 for  $\pi$  .

•  $50.24\ ft^2$  

•  $25.12\ ft^2$  

•  $803.84\ ft^2$  

•  $200.96\ ft^2$  

Tags

CCSS.7.G.B.4

Macy has a circular pool with a diameter of 18 feet. If she swims around the edge of the pool 4 times, find the distance she will travel.

• 113.04 feet

• 56.52 feet

• 226.08 feet

• 452.16 feet

Tags

CCSS.7.G.B.4

What is the diameter of a circle with a circumference of 84.78 inches? Use 3.14 for $\pi$  .

• 27 inches

• 13.5 inches

• 42.39 inches

Tags

CCSS.7.G.B.4