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04-12-2016
Mathematics

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

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04-12-2016

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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