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MarniBratton
MarniBratton MarniBratton
  • 30-05-2015
  • Mathematics
Answered

what is the circumference of a round pizza with an area of 36 square inches?

Verified Answer :

Giovi
Giovi Giovi
  • 30-05-2015

Knowing that your area is: \(A= \pi r^{2}=36 in^{2}\) you can find the radius as:
\(r= \sqrt{ \frac{36}{ \pi } } =3.4 in\);
With this you can evaluate the circumference as:
\(C=2 \pi r=2*3.14*3.4=21.3 in\)

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