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The circumference of a circle is 18π in. What is the area, in square inches? Express your answer in terms of \piπ.

User RollingInTheDeep
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1 Answer

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13 votes

Answer:

A = 81π

Explanation:

if circumference is 18π then diameter is 18 and radius is 9

A = πr²

A = 9²π or 81π

User Shabib
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