A cone has a volume V, radius r, and a height of 12 cm. A cone has the same height and 1/3 of the radius of the original cone. Write an expr

Question

A cone has a volume V, radius r, and a height of 12 cm. A cone has the same height and 1/3 of the radius of the original cone. Write an expression for its volume.

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1 month 2021-10-23T13:16:50+00:00 2 Answers 0 views 0

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    0
    2021-10-23T13:18:29+00:00

    Answer:

    1/9v

    Step-by-step explanation:

    0
    2021-10-23T13:18:46+00:00

    Answer:

    Step-by-step explanation:

    V=\pi r^2*12=12\pi r^2\\V_{1}=\pi (\frac{1}{3}  r)^2*12=\frac{4}{3} \pi  r^2\\if ~you~want~to~compare~the~volumes,then \\\\\frac{V_{1}}{V} =\frac{\frac{4}{3}\pi  r^2}{12 \pi r^2 } =\frac{1}{9} \\or~V_{1}=\frac{1}{9} V

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