Area and Circumference of Circles - Individual Work

Ms. Rodriguez drew this circle on a math test with the diameter measured in centimeters. What is the circumference of the circle?

• 25.12 cm

• 50.24 cm

• 100.48 cm

• 200.96 cm

The radius of a circular plate is 3 inches. Which measurement is closest to the area of this plate?

• 12.14 square inches

• 18.84 square inches

• 28.26 square inches

• 39.14 square inches

If the radius of a circle is 7 inches, what is the circumference of the circle?

• 21.98

• 43.96

• 138.16

• 153.86

A circular tabletop measures 10 feet in diameter. What is the area of the tabletop?

• 28.26 feet squared

• 31.4 feet squared

• 78.50 feet squared

• 314 feet squared

What is the approximate area, in square units, of circle C?

• 19

• 38

• 113

• 452

Elija planted a circular flowerbed that measures 16 feet in diameter. Which expression represents the area of the flowerbed?

• 25.12 feet squared

• 50.24 feet squared

• 200.96 feet squared

• 803.84 feet squared

A school is designing a circular driveway. If the designer has estimated the radius of the circle as 15 to 20 feet, what will the approximate range of the circumference of the circle be?

• 30 feet to 40 feet

• 45 feet to 60 feet

• 75 feet to 100 feet

• 95 feet to 125 feet

The circumference of a circle is about 50 centimeters (cm). Which is closest to the length of its radius?

• 4 cm

• 8 cm

• 16 cm

• 32 cm

An athlete ran 10 times around the circular track shown above. Approximately how many meters did the athlete run?

• 500 meters

• 1570 meters

• 1963 meters

• 7850 meters

A circular track with a diameter of 60 meters is shown above. Najah ran around the track 4 times. Approximately how many meters did he run?

• 377

• 754

• 2826

• 11,304