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Mathematics 7 Online
OpenStudy (anonymous):

The area of a circle is 28 in². The length of the radius is _____ in.

OpenStudy (anonymous):

nvm, i solved it.

OpenStudy (anonymous):

the answer for it was 3.0 incase anyone is wondering.

OpenStudy (anonymous):

I think \[r=\frac{2\sqrt{7\pi}}{\pi}\]approximately.

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