Circumference and Area

Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?   Use C=2πr
Pi = 3.14

• 10 in

• 2.5 in

• 15.7 in

• 31.4 in 

Tags

CCSS.7.G.B.4

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?
use C=2πr

• c = 15π

• C = 2π15

• c = 15 ÷ π

• c = 15 π

Tags

CCSS.7.G.B.4

Find the area of the circle.  Use Use A=πr² 
Pi = 3.14

• 43.96

• 153.86

• 87.82

• 307.72

Tags

CCSS.7.G.B.4

What is the radius?

• 18

• 72

• 38

• 14

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 18

• 10

• 9

• 8

Tags

CCSS.7.G.B.4

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

Tags

CCSS.7.G.B.4

Brian made a tasty burger. The diameter of the
burger was 5 cm. What is the radius of the circle?

• 15.7 cm

• 10 cm

• 2.5 cm

• 31.4 cm

Tags

CCSS.7.G.B.4

_{Find the Circumference.}

• 31.4 in

• 78.5 in sq

• 15.7 in

• 3.14 in 

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 15393.8

• 1248.12

• 5930.12

• 3848.45

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

Tags

CCSS.7.G.B.4