SOLUTION: if a water tank is 90 ft in diameter and 12 ft high, how many gallons of water will it hold?

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Question 433245: if a water tank is 90 ft in diameter and 12 ft high, how many gallons of water will it hold?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Since the volume of a cylinder is pi*r2*h, we have:
V=pi(45)^2(12)
"=pi(24300)
"=76340.7 sq.ft.
You have to know how many gallons fit into a square foot of water to solve for gallons.