SOLUTION: Suppose the area of a circle is 36π. What is its circumference?

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Question 624584: Suppose the area of a circle is 36π. What is its circumference?

Answer by oscargut(900) About Me  (Show Source):
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Suppose the area of a circle is 36π. What is its circumference?

Solution:
Since Area = 36π = (r^2)π then r = 6
Circumference = 2rπ = 12π
Answer: 12π
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