poisonivy2 poisonivy2
  • 04-05-2016
  • Mathematics
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if the radius is 4 inches what is the circumference

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berfinn berfinn
  • 04-05-2016
If the radius is 4 then the diameter is double the radius so d stands for diameter
D=8
And to find the circumfrence you do Pi times by diameter (8) and that will give you the circumfrance but dont forget to add the units (cm,mm etc)
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