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September 19, 2014

September 19, 2014

Posted by **Casey** on Saturday, March 3, 2012 at 2:09pm.

I am getting 5" by 2.5" but not sure.

- Calculus -
**Susan**, Saturday, March 3, 2012 at 2:18pm(s^2)h=V

h=V/(s^2)=62.5/s^2

Surface area = 4hs +s^2

=4(62.5/s^2)s +s^2

=250/s + s^2

Derivative of surface area = -250/s^2 + 2s

0=-250/s^2 + 2s

250/s^2=2s

250=2s^3

125=s^3

s=5

h= 62.5/s^2=62.5/25 = 2.5

You are correct!

- Calculus -
**Casey**, Saturday, March 3, 2012 at 2:47pmThanks

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