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| Math Central | Quandaries & Queries |
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Question from PATTY: POOL RADIUS IS 13 FEET ON THE OUTER EDGE, I WANT TO MAKE AN 18 INCH OUTSIDE BORDER AROUND THE POOL. WHAT IS THE VOLUME AROUND THE POOL. (THIS IS GOING FROM A 13 FT. RADIUS TO A 14.5 RADIUS. |
Patty,
You didn't tell us the thickness of the border, but if you know the thickness I can help you calculate the volume.
First use our volume calculator to calculate the volume of a cylinder of radius 14.5 feet and the thickness you want.
Use our volume calculator again to calculate the volume of a cylinder with the same thickness and radius 13 feet.
The volume of the border is the difference between the volumes of the large cylinder and the small cylinder.
I hope this helps,
Penny
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