Circumference and Area of Circles Practice

A circular pin has a diameter of 6.2 centimeters. Which is closest to the area of the pin?

• 30.18 cm²

• 19.47 cm²

• 15.54 cm²

• 9.74 cm²

Tags

CCSS.7.G.B.4

A glass window is in the shape of a semicircle with dimensions shown. What is the approximate perimeter of the window?

• 1.9 m

• 3.1 m

• 3.8 m

• 5.0 m

Tags

CCSS.7.G.B.4

The diameter of a circular flower bed is 12 meters. What is the area of the flower bed?

• 37.68 m²

• 75.36 m²

• 113.04 m²

• 452.16 m²

Tags

CCSS.7.G.B.4

Given the radius of the circular cereal bowl is 7 cm, which statement below would be true?

• The circumference of the bowl is about 12 cm

• The diameter of the bowl is 21 cm

• The diameter of the bowl is 3.5 cm

• The circumference of the bowl is about 44 cm

Tags

CCSS.7.G.B.4

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 49.2 cm²

• 45.6 cm²

• 50.24 cm²

• 55.9 cm²

Tags

CCSS.7.G.B.4

A circular rug in the dollhouse has a diameter of 8 cm? What is the area of the rug?

• 50.24 sq cm

• 78.23 sq cm

• 98.12 sq cm

• 201.06 sq cm

Tags

CCSS.7.G.B.4

The diameter of each wheel of the bike is 24 inches. Which is closest to the circumference of a wheel?

• 452.16 in

• 37.68 in

• 75.36 in

• 82.13 in

Tags

CCSS.7.G.B.4

What number below do we use to represent π?

• 3

• 3.14

• 3.2

• 21/7

Tags

CCSS.HSG.GMD.A.1

Which formula below would you use to find π?

• C/d = π

• C x d= π

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