emmatinsley1029 emmatinsley1029

20-03-2018
Mathematics

contestada

The area of a circle is 28.26 square feet. What is the circle's circumference?

Respuesta :

negromancer negromancer

24-03-2018

Reverse the formula of pi x r^2 = area to find r, the radius.
Then, use r in the formula 2pi x r to calculate the circumference.

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