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If the radius is 10 inches , in square inches, what is the circumference of the circle? A. 15.7 B. 31.4 C. 47.1 D. 62.8
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2 votes
If the radius is 10 inches , in square inches, what is the circumference of the circle?

A. 15.7
B. 31.4
C. 47.1
D. 62.8

User EENN
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8.2k points

1 Answer

3 votes


C=2\pi r =2\pi10=20\pi\approx\boxed{62.8}

The answer is D.

User Paul Mitchell
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