The volume of a cylinder is:

The height of the cylinder: 12 inches
Since 1 feet is 12 inches, then we can say the height of the cylinder is 1 foot.
diameter: 6 feet.
Now we can find the volume of the pool (cylinder):

V = 28 cubic feet
One cubic foot equals 7.48 gallons, therefore to find the amount of water in gallons is:
