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A child sits two meters from the center of a merry-go-round. How far does she travel during one revolution?
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A child sits two meters from the center of a merry-go-round. How far does she travel during one revolution?

User Schlusie
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1 Answer

6 votes

2r\pi=4\pi (use any approximation you like for
\pi)
User Cephas
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