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11 October, 19:58

The volume of a cone is 16 pie cubic inches. Its height is 12 inches. What is the radius of the cone?

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  1. 11 October, 20:22
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    V = (1/3) hpir^2

    V=16pi

    h=12

    16pi = (1/3) 12pir^2

    16pi=4pir^2

    divide both sides by 4pi

    4=r^2

    sqrt both sides

    2=r

    answer is A
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