- Math Made Easy—How to Find the Circumference of a Circle
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This quiz has been taken 292 times, 126 times on Owlcation and 166 times on other sites.

Average score: 58%

What is the circumference of a circle with a radius of 1 cm.?

The correct answer is "6.28 cm."

What is the circumference of a circle with a diameter of 7 ft.?

The correct answer is "21.98 ft."

Find the circumference of a circle with an area of 153.86 cm. squared.

The correct answer is "43.96 cm."