Asked by Hali Carmen

If I have a pool and it is 16 feet round and 4 fthe deep, how many gallons of water would that hold?
Answered by Chloe
To find the capacity (amount of water), you must first find the volume. This prism is a cylinder (since it has a circular base).

Find radius:
Circumference = 2πr
r = C/2π
= 16/2π
= 8/π feet (= 2.55)

Find volume:
Volume = Area x height
= πr^2 x h
= π x (8/π)^2 x 4
= 64/π x 4
= 256/π cubic feet (= 81.49)

Find capacity:
(According to google)
1 cubic ft = 7.48 gallons
81. 49 cubic ft = 7.48 x 81.49 gallons
= 609.55 gallons of water


NOTE THAT ALL CALCULATIONS ARE TO 2 DECIMAL PLACES


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