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30 June, 10:12

What is the height of a cone whose radius is 3 cm and volume is 900 cm3?

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  1. 30 June, 10:39
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    V=hpir^2

    900=V

    r=3

    900=hpi3^2

    900=hpi9

    divide both sides by 9

    100=hpi

    divide both sides by pi

    100/pi=h

    aprox pi=3.141592

    31.83=h

    height=31.83cm
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