Area & Circumference of Circles

Steven purchases a bowl. The diameter of the bowl is 14 cm.
What is the distance around the bowl?

• 21.98 cm

• 43.98 cm

• 87.96 cm

• 7 cm

Tags

CCSS.7.G.B.4

What is the area of a circle with a diameter of 12cm?

• 452.39cm²

• 139.12cm²

• 113.1cm²

• 84.23cm²

Tags

CCSS.7.G.B.4

Danielle wants to make a cookies for 3 friends. The radius of a cookie is 5 inches. If she wants to ice ALL 3 of the cookies, how many square inches of cookies must she cover with icing?

• 47.1 in²

• 235.5 in²

• 78.5 in²

• 15.7 in² 

Tags

CCSS.7.G.B.4

Jake's cow is tied to a beanstalk with a piece of rope that is 15ft long. What is the area of the circle in which the cow can graze?

• 47.1 ft.

• 176.7 ft²

• 706.9 ft²

• 94.2 ft

Tags

CCSS.7.G.B.4

A pizza has a circumference of 31.4 inches. What is the radius of the pizza?

Tags

CCSS.7.G.B.4

A circular garden has a radius of 14 meters. What is the length of the fence required to enclose it?

Tags

CCSS.7.G.B.4

What is the formula to calculate the circumference of a circle?

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

If a bicycle wheel rotates once and moves forward 31.4 meters, what is the diameter of the wheel?

Tags

CCSS.7.G.B.4