The radius of a circle measures 13 ft. What is the circumference of the circle? Use 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer.

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asked Dec 21, 2016 79.7k views

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The radius of a circle measures 13 ft. What is the circumference of the circle?

Use 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer.

Mathematics
high-school

Tylerweir asked

by Tylerweir

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i think the answer is 81.64 because (2)(3.14)(r)= (2)(3,14)(13)

Liang Zhang answered Dec 23, 2016

by Liang Zhang

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Circumference : C=2*pi*radius~2*3.14*13=81.64 ft

Chevdor answered Dec 25, 2016

by Chevdor

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