Math CentralQuandaries & Queries


Question from bobby:

my tank holds 740 gallons and the dimensions are 8 ft tall and 4 ft diameter the wine is 3 ft 7.5 inches from the top can you figure out how many gallons are in the tank ?

Hi Bobby,

The volume of a cylinder is π r2 h where r is the radius and h is the height. The radius of your tank is 2 feet and the height of the wine in the tank is 4 ft - 3 ft 7.5 inches. What is the volume of wine in cubic feet? One cubic foot is 7.48 gallons so how many gallons is this?



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