 |
| ||
| |||
|
| Math Central | Quandaries & Queries |
|
Question from steve: How sand is needed to back fill a trench around a 24ft dia. pool that is 26" deep by 2ft wide. Making the outside dia. 26ft. Thank You |
Hi Steve,
My diagram is not to scale and I also changed one of the dimensions. If the pool has a diameter of 24 feet and the trench is 2 feet wide then the outside diameter is 28 feet.
I would first convert the diameters to inches.
Use our volume calculator to find the volume of a cylinder with diameter 28 feet (converted to inches) and depth 26 inches. Use the volume calculator again to find the volume of a cylinder with diameter 24 feet (converted to inches) and depth 26 inches.The difference is the volume of sand you need.
Penny
| ||
| ||
| ||
 |
 |
|
Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.