SoapOnRopes SoapOnRopes
  • 29-06-2016
  • Mathematics
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The area of a pizza is 616 square centimeters.
What is the radius?
Remember a=3.14r^2
Use 3.14=22/7

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xSamx
xSamx xSamx
  • 29-06-2016
Well [tex]A= \pi r^2[/tex]
[tex]616= \pi r^2[/tex]
[tex] \frac{616}{\pi} =r^2[/tex]
[tex] \sqrt{\frac{616}{\pi}} =r[/tex]
[tex] \sqrt{\frac{616(7)}{22}} =r[/tex]
[tex]14=r[/tex]
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