Answer:
18.84
Step-by-step explanation:
Since the formula for circumference is [tex]C=2\pi r[/tex], we need to first find the radius. The formula for the radius is [tex]r=\frac{\sqrt{A\pi } }{\pi }[/tex], so we will get [tex]r=3[/tex]. Substitute that into [tex]C=2\pi r[/tex], and we get [tex]C=18.84[/tex]. Hope this helps!
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