LadamMorganracmart LadamMorganracmart

24-11-2016
Mathematics

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Express the volume of a cone, V, as a function of its radius, r, if the radius is 1/3 of the height.
I have tried (1/9)pir^2 but it did not work.

Respuesta :

25-11-2016

Since it says the radius is 1/3 the height, I did a substitution then solved for r.

Ver imagen bcalle

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andriansp andriansp

25-11-2016

V = 1/3 * [tex] \pi r^2 h[/tex]

r = h/3

h = 3r

V = [tex] \pi r^3[/tex]

Hope this helps

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