Let

If a cylinder has a height of 7in and a radius of 4in, find the volume.

Find the volume of the cylinder if the radius is and the height is .

While exploring the woods near your house, you find a cylindrical hole in the ground. You decide that it is dangerous and should be filled in with concrete so that nobody falls in and hurts themselves. You find that the hole is 20 feet deep and 6 feet wide. How many cubic feet of concrete will you need to fill in the hole?

Find the volume of the cylinder with a radius of 7 and a height of 10.

Determine the volume of a cylinder with a base area of 10, and a height of 20.

The above diagram is one of a cylindrical tub. The company wants to make a cylindrical tub with three times the volume, but whose base is only twice the radius. How high should this new tub be?

Find the volume of a cylinder with a radius of 10, and a height of 20.

Find the volume of a cylinder with a base area of 15, and a height of 10.

Find the volume of a cylinder with a radius of 5 and a height of 12.

One cubic foot is equal to (about) 7.5 gallons.

A circular swimming pool has diameter 60 feet and depth five feet throughout. Using the above conversion factor, how many gallons of water does it hold?

Use 3.14 for .