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| Math Central | Quandaries & Queries |
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Question from Debra: i have a radius of 73 inches, i need to know the length of the circle please. |
Hi Debra.
Do you mean the distance around the outside curve of the circle? That is called the circumference.
If you know the radius, then you multiply the radius by 2, then by π (which is about 3.1416) to get the circumference.
Stephen.
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