Question 1210579: The area of a circle is 9π in². What is the circumference, in inches? Express your answer in terms of piπ. Found 2 solutions by n2, josgarithmetic:Answer by n2(66) (Show Source):
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The area of a circle is 9π in². What is the circumference, in inches? Express your answer in terms of piπ.
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Use the formula for the area of a circle
= in^2.
where 'r' is the radius of the scuare.
From this equation
= 9, r = = 3.
Then the circumference of the circle is
circumference = = = inches.
ANSWER. The circunference of the circle is inches.
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