A water heater has a diameter of 18 inches. It sits in a drain pan that has a diameter of 22 inches and a height of 2 inches, as modeled in the diagram below. Water that leaks out of the water heater sits in the drain pan. Which of the following is closest to the maximum amount of water that the drain pan can contain with the water heater in the position shown?

Question

A water heater has a diameter of 18 inches.  It sits in a drain pan that has a diameter of 22 inches and a height of 2 inches, as modeled in the diagram below.  Water that leaks out of the water heater sits in the drain pan.  Which of the following is closest to the maximum amount of water that the drain pan can contain with the water heater in the position shown?

eiman · Accepted Answer

251.2

Steve · Answer

assuming the water heater actually sits in the pan, it occupies part of the area of the pan. So, the volume of the unused portion of the pan is π(11^2-9^2)(2)