Elana E. answered 01/14/20
Passionate Math Undergrad
Hi Lilian,
For this question, we need to know that the volume of a cylinder is π*r2*h (because the area of a circle is π*r2, and to find the volume of a shape extended out we multiply by h). In this equation r represents the radius of the pool and h represents the height (or in this case, depth).
The radius of the pool is half of its diameter, so the radius is 6 feet. We are told that the depth of the pool is 7 feet.
So, using our formula, the volume of the pool is π * 62 * 7, which is 252*π.
I hope this was helpful! Please let me know if anything is still unclear.
Elana