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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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Dec 14, 2017
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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?
Mathematics
middle-school
Kraiz
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Alright we know the formula for circumfruence is 2
r
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
Ates Goral
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Dec 20, 2017
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Ates Goral
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