Area and Circumference Review

What is the circumference of a circle with a radius of 21 cm?

• 65.94 cm

• 131.88 cm

• 1384.74 cm

• 5538.96 cm

Tags

CCSS.7.G.B.4

The radius is 8 inches.  What is the circumference?

• 50.24 inches

• 25.12 inches

• 12.56 inches

• 200.96 inches

Tags

CCSS.7.G.B.4

A Circle has a radius of 6 inches.  What is the area of the circle? (Best Choice)

• 18.84 in²

• 37.68 in²

• 113.04 in²

• 452.16 in² 

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52

• 254.34

• 536.94

• 1017.36

Tags

CCSS.7.G.B.4

What are the circumference and area of this circle? Choose both correct answers.

• 15.14 cm

• 37.68 cm

• 113.04 cm²

• 452.16 cm²

Tags

CCSS.7.G.B.4

What are the circumference and area of this circle? Choose both correct answers.

• 10.99cm

• 21.98cm

• 38.47cm²

• 153.86cm²

Tags

CCSS.7.G.B.4

An architect is making a plan for a new circular playground. If the picture below is the playground, how much fencing needs to go up to keep the kids in the circle? Use 3.14 for π.

• 3,215 m

• 201 m

• 402 m

• 100 m

Tags

CCSS.7.G.B.4

A Circle has a diameter of 18 meters. What is the circumference of the circle? (Best Choice)

• 28.26 m

• 56.52 m

• 254.34m

• 1017.36 m

Tags

CCSS.7.G.B.4

Find the circumference of the circle

• 21.98

• 153.86

• 43.96

• 615.44

Tags

CCSS.7.G.B.4

What is the area of a circle with the diameter of 16 cm ?

• 25.12 cm²

• 50.24 cm²

• 200.96 cm²

• 803.84 cm²

Tags

CCSS.7.G.B.4