A cylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. What is the radius of the cone?

Question

A cylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. What is the radius of the cone?

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Answers ( No )

    0
    2021-09-06T01:43:40+00:00

    Cylinder Volume = PI * radius^2 * height
    Cylinder Volume = 3.14159 * 1 * 21
    Cylinder Volume =



    65.97
    cc

    Volume Cone = [PI * radius^2 * height] / 3
    radius^2 = 3 * 65.97 / (3.14159 * 7)
    radius^2 = 9
    radius = 3 centimeters

    0
    2021-09-06T01:44:02+00:00

    The radius of the cone is 3 cm. 

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