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A cylinder has diameter of 10 cm and a height of 20 cm what is the volume of the cylinder

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Answers (2)
  1. 7 May, 06:59
    0
    V = 1570.796327 cm^3

    Step-by-step explanation:

    V = pi * r^2h

    diameter = 2 * radius

    10 = 2r

    r = 5

    substitute in what we know

    V = pi * (5^2) * 20

    V = pi * 25 * 20

    V = pi * 500

    V = 1570.796327 cm^3
  2. 7 May, 07:04
    0
    Step-by-step explanation:

    Surface Area of circle on top of cylinder:

    = πr²

    = π (d:2) ²

    = π (10:2) ²

    = π (5) ²

    = 25π

    Volume of Cylinder:

    = 25π * h

    = 25π * 20

    = 500π

    = 1570.8 cm³ (to 1 decimal place)
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