natalieb1001 natalieb1001

19-07-2014
Mathematics

Answered

A rain barrel is a right circular cylinder. If 1ft^3 =7.5 gallons, how many gallons of rainwater can the barrel hold?

Use 3.14

Barrel is 1.35ft left to right.... And 5ft top to bottom.

Verified Answer :

19-07-2014

Find volume of right circular cylinder
V = pie r r h
= 3.14 1.35/2 1.35/2 5 ft^3
= 7.153 ft^3

Since 1ft^3 = 7.5 gallons
7.153 ft^3 = 7.5 * 7.153 gallons
i.e equal to 53.65 gallons

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