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The circumference of a circle is 28 pie inches. What is the length of the radius of this circle?
A)14 in.
B)21 in.
C)28 in.
D)56 in.

1 Answer

2 votes

Answer:A

Explanation:

The formula is 2pir, so you divide by the 2, the pin the pi, then you have the radius, r.

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