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12 July, 16:37

What's the radius of a cone if the height is 12 and the volume is 36pi

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  1. 12 July, 17:01
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    V = (1/3) πr²h

    V = 36π

    h=12

    36π = (1/3) πr²*12

    36 = 4r²

    r² = 9

    r = √9 = 3

    Answer: r=3.
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