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21 May, 11:07

The rain barrel shown is a right circular cylinder. If 1ft^3=7.5 gallons, how many gallons of rainwater can the barrel hold if the height is 5ft and the top of the barrel is 1.68ft?

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  1. 21 May, 12:55
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    this can be solved using the fomula of the volume of a right circular cylinder

    V = pi*r^2*h

    Where pi = 3.1416

    R is the radius

    H is the height

    V = 3.1416 (1.68^2) (5)

    V = 44.3342 ft^3 (7.5 gallon / 1 ft^3)

    V = 332.5062 gallons
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