Unit 7 Circles Skills Quiz

Find the area of this circle. Solve each problem.

Mathematical Equivalence

ON

What is the circumference, in units, of this circle? Solve each problem. Show or explain your mathematical thinking.

• 10.99 units

• 21.98 units

• 43.96 units

• 153.86 units

Find the area of this circle in terms of π.

• 50π cm²

• 2,500π cm²

• 100π cm²

• 1,000π cm²

Find the area of the white part of this circle.

• 113.04 ft.²

• 12.56 ft.²

• 100.48 ft.²

• 200.96 ft.²

Which formula can be used to find the circumference of this circle?

• C = 9π cm

• C = 18π cm

• C = 4.5π cm

• C = 9/27 π cm

What is the area, in square units, of this circle?

• 31.4 square units

• 62.8 square units

• 78.5 square units

• 314 square units

A large circle has a diameter of 17 inches. What is the length around the circle?

Mathematical Equivalence

ON

Find the circumference of a circle with a radius of 5 meters.

Mathematical Equivalence

ON