SOLUTION: A bike wheel has a radius of 9in.whatis it's circumference

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Question 745700: A bike wheel has a radius of 9in.whatis it's circumference
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A bike wheel has a radius of 9in. whatis it's [sic] circumference
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C+=+2%2Api%2Ar+=+18pi inches
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it's = it is