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13-03-2017
Mathematics

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the forumla for the volume of a cone is V=1/3pr^2h. the radius r of the caone may be expressed as

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13-03-2017

V=1/3hpir^2
times 3 both sides
3V=hpir^2
divide both sides by hpi
[tex] \frac{3V}{h\pi} =r^2[/tex]
sqrt both sides
[tex] \sqrt{\frac{3V}{h\pi}} =r[/tex]

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