Acc Math 7 - Circles Practice

What is the diameter?

• 8 cm

• 16 cm

• 10 cm

• 4 cm

What is the circumference?

• 50.27 cm

• 50.27 cm²

• 25.1 cm

• 25.1 cm²

What is the radius?

• 18 ft

• 72 ft

• 38 ft

• 14 ft

What is the circumference?

• 18 ft

• 1,017.88 ft

• 56.55 ft

• 113.1 ft

A bicycle tire has a diameter of 27 inches. What is the radius?

• 27 in

• 13.5 in

• 81 in

• 25 in

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = 15π

• C = 2π15

• c = 15 ÷ π

• c = 15²π

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Tags

CCSS.7.G.B.4

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl? Use 3.14 for pi.

• 28 cm

• 43.96 cm

• 87.96 cm

• 7 cm

What is the area of this circle?

• 31.4 m²

• 78.5 m²

• 314.16 m²

• 170.12 m²

What is the area of this circle?

• 6082.12 ft²

• 1520.53 ft²

• 1893.14 ft²

• 1292.92 ft²