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31 August, 03:27

A right circular cylinder has a volume of 144pi cm^3 and a height of 9 cm. What is the area of its base? Express you answer in terms of pi.

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Answers (2)
  1. 31 August, 03:59
    0
    16π cm²

    Explanation:

    The volume of a cylinder is denoted by: V = πr²h, where r is the radius and h is the height. And, πr² is the area of the base.

    Here, we know the volume is V = 144π and the height is h = 9, so plug these in:

    V = πr²h

    144π = πr² * 9

    Divide both sides by 9:

    πr² = 144π/9 = 16π

    So the area is 16π cm².
  2. 31 August, 05:13
    0
    16pi cm²

    Explanation:

    Volume of cylinder = base area * height

    144pi = base area * 9

    base area = 144pi/9

    base area = 16pi cm²
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