# The circumference of a circle is 12.56 feet. What is the circle's diameter?

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• C    = π d

d   =  12•56 / 3•14

d   =  4 ft

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• D=C/pi

12.56/3.14=4 ft

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• The circumference of a circle is 12.56 feet.

The circle's diameter is 3.99797217047 feet.

(C = πD, D = C/π)

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• Remember the circle equations ;

C = pi d

A = pi r^2

Hence

d = C / pi

d = 12.56 ft / 3.141592....

d = 3.99797217.... ft

d = 3 ft 11.97 inches ~ 12 ft.

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• C = πd

d = C/π

d = 12.56/π

d = 3.99 feet or 4 ft answer//

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• Diameter of circle 12.56/pi = 3.9979217 or about 4 feet

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• Divide the circumference by Pi....

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• The formula for the diameter circle is Pi times the diameter.

So 3.14 times ? = 12.56 feet, and therefore ? = 4 feet.

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• Formula

C = πD

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• The circumference of a circle is 12.56 feet.

The circle's diameter is 4 feet.

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