Math / Geometry

QuestionThe circumference of a circle is $18 \pi \mathrm{~cm}$ . What is the area, in square centimeters? Express you answer in terms of $\pi$ .
Answer Attempt 3 out of 5 $A=$ $\square$ $\mathrm{cm}^{2}$
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Studdy Solution
Calculate the area:
$A = \pi \times 81$ $A = 81\pi$
The area of the circle is:
$\boxed{81\pi \text{ cm}^2}$

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