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12 June, 01:34

A cone has a diameter of 24cm and a volume of 2713cm3. What is best approximation of height of cone?

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  1. 12 June, 01:46
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    V = (1/3) hpir^2

    aprox

    d=2r

    d/2=r

    d=24

    r=24/2=12

    V=2713

    2713 = (1/3) hpi (12^2)

    2713 = (1/3) hpi (144)

    2713=48pih

    divide both sides by 48

    56.5208=hpi

    aprox pi=3.14

    divide both sides by 3.14

    56.5208/3.14=h=18.0003

    height=18cm
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