Find Diameter & Radius (7th Math)

#6

• A

• B

• C

• D

#7

• A

• B

• C

• D

#8

• A

• B

• C

• D

#9

• F

• G

• H

• J

A circle has a circumference of 15.7 cm. What is the diameter of the circle?

• 7.85 cm

• 5 cm

• 2.5 cm

• 4 cm

A circular pool has a circumference of 12.56 feet. Ethan swam from the center of the pool to the edge. How many feet did Ethan swim?

• 4 ft

• 6.28 ft

• 2 ft

• 9.42 ft

A quarter has a circumference of 8 centimeters. Which expression can be used to find the radius of the quarter?

• π/8

• 8/ π

• 2π/8

• 8/2π

The circular light fixture on a ceiling has a circumference of 24 inches. Which of the following is closest to the radius of the light fixture?

• 4 in.

• 8 in.

• 16 in.

• 24 in.

The circular face on Ryan’s watch has a circumference of 12 centimeters. Which of the following is closest to the diameter of the watch?

• 2 cm

• 4 cm

• 6 cm

• 8 cm

The paper towel rolls that Khia buys have a circumference of 15 inches. Which of the following is closest to the radius of one roll?

• 1 in.

• 2 1/2 in.

• 5 in.

• 3 1/2 in.