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18 September, 14:18

A cylinder has a radius of 3 feet and a height of 7 feet. Which of the following can be used to calculate the volume of a cone that fits exactly inside the cylinder?

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  1. 18 September, 16:11
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    Means it has same base and same height

    vcone=height times base times 1/3

    base=circle=pir²

    so

    given

    r=3

    h=7

    V = (1/3) (7) (pi3²)

    V = (7/3) (9pi)

    V=21pi

    answer is 21pi cubic feet or aprox65.97 cubic feet
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