Verified Answer :

First, find the radius

2\(\pi\)r=circumference
r=18 \(\pi\) cm
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2\(\pi\)
r=9 cm

Now, we can just use the circle area formula to solve

\(\pi\)\(r^{2}\)
=\(\pi\) \(9^{2}\)
=81 \(\pi\) 
=254.469 cm^2

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