12. A closed-top box with length equal to double its width is to have a volume of 72 ft³. What is the minimum amount of material needed to construct such a box, and what are the dimensions of that box? Show work. Min. Amt. of Mat.: length: width:

12. A closed-top box with length equal to double its width is to have a volume of 72 ft³. What is the minimum amount of material needed to construct such a box, and what are the dimensions of that box? Show work. Min. Amt. of Mat.: length: width:

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter9: Surfaces And Solids

Section9.3: Cylinders And Cones

Problem 47E: Richard has a fuel tank in the shape of a right circular cylinder. The tank has a height of 6 ft and...

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