Jcohen21 Jcohen21

10-05-2017
Mathematics

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What is the circumference of a circle with a radius of 4?

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altavistard altavistard

10-05-2017

Best that you look up appropriate formulas if in doubt. The formula for the circumference of a circle is C = 2 pi r. If r = 4, then C = 2 pi (4) = 8 pi.

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amelia18 amelia18

10-05-2017

Hi!

If the radius is 4 , the diameter is 8 .
Formula = diameter times pi
4 + 4=8
8 times pi = 25.13

Circumference = 25.13

Hope it helps and have a wonderful day!

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