Insane Propane This problem gives you the chance to:
• work with volumes of cylinders and spheres
People who live in isolated or rural areas have their own tanks of gas to run appliances like stoves,
washers, and water heaters. These tanks are made in the shape of a cylinder with hemispheres on the
ends.
10 feet
The Insane Propane Tank Company makes tanks with this shape, in different sizes. The cylinder part
of every tank is exactly 10 feet long, but the radius of the hemispheres, r, will be different depending
on the size of the tank.
(The volume of a cylinder is given by the formula V = sorºh and the volume of a sphere is given by
the formula V =
4
1. Tank A has a radius of 3 feet. What is its volume?
cubic feet