LadamMorganracmart LadamMorganracmart
  • 24-11-2016
  • Mathematics
contestada

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)*pi*r^2 but it did not work.

Respuesta :

bcalle
bcalle bcalle
  • 25-11-2016
Since it says the radius is 1/3 the height, I did a substitution then solved for r.
Ver imagen bcalle
Answer Link
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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