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1 July, 03:47

What is the diameter of the cone with height 8 m and volume 150π m^3?

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  1. 1 July, 07:12
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    The cone formula is V=1/3 (pi*r^2) h, plug in what you know 150pi=1/3 (pi*r^2) 8.

    Multiply both sides by 3: 450pi = (pi*r^2) 8

    Divide by 8: 56.25pi=pi*r^2

    Divide by pi: 56.25=r^2

    Square root both sides: 7.5=r

    Multiply by 2 to find diameter: d=15
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