Since you are trying to find how much water you need to fill the tank, you have to find the area of the cylinder.
The equation for finding the area of a cylinder is

Make sure you multiply the radius by itself and then multiply 3.14 and not the height.
Do the problems in
bold1. 3.14
(
) 45
Find 15 x 15
2.
3.14(225) 45
Multiply 3.14 x 225
3.
706 x 45
Multiply 706 x 45
4.
31770The maximum amount of water the tank can hold is
31,700
