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A cylindrical barrel has a diameter of 19.875 inches. Which of the following is the bestestimate of the circumference of the barrel in feet?
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A cylindrical barrel has a diameter of 19.875 inches. Which of the following is the bestestimate of the circumference of the barrel in feet?

User Kraiz
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1 Answer

3 votes
Alright we know the formula for circumfruence is 2
\pir

So you plug it in!
Note: Radius is just the diameter split in half.

2*3.14*9.9375

2*31.20375

So the circumference of the barrel is 62.4075
User Ates Goral
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8.2k points
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