bcerna2001 bcerna2001
  • 19-04-2017
  • Mathematics
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Find the radius of a circle with a circumference of 45pi

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apologiabiology
apologiabiology apologiabiology
  • 19-04-2017
c=2pir
45pi=c

45pi=2pir
divide both sides by pi
45=2r
divide by 2
22.5=r

22.5 units
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