Answer:
26π
Step-by-step explanation:
The equation for circumference is
c = 2πr
using r = 13
c = 2π(13)
Rearrange
c = 2(13)π
Simplify
c = 26π
I think that I'm an idiot
Basically, what you do is first take the square root of 9, which is 81, then multiply that by 3.14. The answer is 254.34 inches.
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