Please see attachment.

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- Apr 13th 2010, 11:50 AMWartonMortonLeast Surface Area Problem
Please see attachment.

- Apr 13th 2010, 11:52 AMearboth
- Apr 13th 2010, 12:03 PMWartonMorton
- Apr 13th 2010, 12:16 PMrunning-gag
Hi

Let R be the radius of the cylinder and L its length

The volume is

From this expression you can find L as a function of R

The area is

Substitute L function of R to get A(R)

Calculate A'(R) to find the value of R which minimizes the area - Apr 13th 2010, 12:20 PMWartonMorton
- Apr 13th 2010, 12:31 PMrunning-gag
I am getting 1.473 in (Wondering)

- Apr 13th 2010, 06:18 PMWartonMorton
- Apr 13th 2010, 11:44 PMearboth