SOLUTION: I have a spray tank that is 72" long and 36" in diameter how many gallons of water are in my tank if it is full? thank you very much!!

Algebra ->  Volume -> SOLUTION: I have a spray tank that is 72" long and 36" in diameter how many gallons of water are in my tank if it is full? thank you very much!!      Log On


   

Question 632170: I have a spray tank that is 72" long and 36" in diameter how many gallons of water are in my tank if it is full? thank you very much!!
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
V = pi*r^2*h


V = pi*(18)^2*(72)


V = 23328pi <<< --- Exact Volume


V = 23328(3.14159)


V = 73287.01152 <<< --- Approximate Volume


So the approximate volume is 73287.01152 cubic inches.


Now convert this to gallons


(73287.01152 cubic inches)*(1 gallon/231 cubic inches) = 73287.01152/231 = 317.25979012987


and round it to get 317.2598


So the tank can hold approximately 317.2598 gallons.

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