Answer: 113.1in
Explanation:
2 × 3.14 × 18 = 113.1
The formula of finding the circumference is 2πr.
That being said, the radius is 18in.
Pi (π) is 3.14.
With all of that being said, we can multiply now.
2 × 3.14 × 18 = 113.09734 = 113.1
Hence 113.1 is the answer.
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