(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A right circular cone has base radius , r and height h . As r and h vary its curved surface area is kept constant . Show that its volume is a maximum when [tex]r=r\sqrt{2}h[/tex]

2. Relevant equations

3. The attempt at a solution

A= pi r^2 + pi r root(r^2+h^2)

V=1/3 pi r^2 h

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# Homework Help: Show that its volume is a maximum

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