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

User Deepika
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1 Answer

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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.
User David Bradshaw
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