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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.
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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.

User Harut
by
7.0k points

1 Answer

2 votes
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
User Alex Doro
by
7.8k points
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