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26 May, 08:42

A cylinder has a volume of 400 cubic feet. If the height of the cylinder is 25 feet, what is the radius of the cylinder? Use 3.14 for π and round to the nearest hundredth.

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Answers (2)
  1. 26 May, 11:43
    0
    radius≈ 2.3feet (approimated to the nearest hundredth)

    Step-by-step explanation:

    given that

    A cylinder has a volume = 400 cubic feet.

    height of the cylinder = 25feet

    radius of the cylinder = ?

    recall

    the formulae for finding the volume of a cylinder = πr²h

    so,

    the volume of a cylinder = πr²h

    the volume of a cylinder = 3.14 * r² * 25

    400 = 78.5r²

    divide both side by the coefficient of r

    400/78.5 = r²

    5.0955 = r²

    squaring both sides

    r = √5.0955

    r = 2.257feet

    radius≈ 2.3feet (approimated to the nearest hundredth)
  2. 26 May, 12:39
    0
    I think the answer is D.
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