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3 November, 10:40

A barrel in the shape of a cylinder has a height of 4.5 feet and a diameter of 6 feet. The barrel is filled with oil to 6 inches from the top of the barrel. What is the volume of oil in a barrel?

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Answers (2)
  1. 3 November, 10:52
    0
    The volume of oil in a barrel is 113.04ft³

    Step-by-step explanation:

    To calculate the volume of a cylinder we have to use the following formula:

    6in = 0.5ft

    v = volume

    h = height = 4.5ft - 0.5in = 4ft

    π = 3.14

    r = radius = 6ft / 2 = 3ft

    v = (π * r²) * h

    we replace the unknowns with the values we know

    v = (3.14 * (3ft) ²) * 4ft

    v = (3.14 * 9ft²) * 4ft

    v = 28.26ft² * 4ft

    v = 113.04ft³

    The volume of oil in a barrel is 113.04ft³
  2. 3 November, 11:38
    0
    Answer:i got it wrong but the guy who says its 113.04 ft^2 is right
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