SOLUTION: For a closed cylinder with radius r ⁢ cm and height h ⁢ cm, find the dimensions giving the minimum surface area, given that the volume is 28 cm3.
Enter the exact ans
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Question 1069401: For a closed cylinder with radius r cm and height h cm, find the dimensions giving the minimum surface area, given that the volume is 28 cm3.
Enter the exact answers.
I have r
but I have no clue how to get h
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
You are interested in finding the minimum s.
You said, you have r, but want h. Use your volume equation. You can find r in terms of h, or you can find h in terms of r. It is your choice which you choose. You want s as a function of one variable.
-----simplify this.
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