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  • 13-02-2017
  • Mathematics
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If the circumference is 47 feet what formula can be used to find the radius ?

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crisforp
crisforp crisforp
  • 13-02-2017
The circumference has the formula 2xπxr, where r is the radius;
We have 47 feet = 2xπxr;
Then, r = 47 / (2π) ;
But, π ≈ 3.14;
Finally, r ≈ 47 / 6.28;
r ≈ 7.48 feet;
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