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3 November, 16:04

A cylinder and a cone have the same volume. the cylinder has a radius of 2 inches and a height of 3 inches. the cone has a radius of 3 inches. What is the height of the come?

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Answers (2)
  1. 3 November, 17:43
    0
    Answer:h = y^2 / 27

    Step-by-step explanation:

    Volume of a cylinder = pi * (xx) ^2*yy

    = x^4*pi*yy

    Volume of a cone = 1/3*pi * (9x^2) ^2*h

    = 27pi*x^4*h

    x^4*pi*y^2 = 27pi*x^4*h

    h = y^2 / 27
  2. 3 November, 17:49
    0
    4 inches

    Step-by-step explanation:

    The volume of the cylinder is:

    V = π r² h

    V = π (2) ² (3)

    V = 12π

    The cone has the same volume, so its height is:

    V = ⅓ π r² h

    12π = ⅓ π (3) ² h

    12π = 3π h

    h = 4

    The height of the cone is 4 inches.
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