SOLUTION: All of the edges of a metal box are of equal length. If the surface area is 216 square inches, what is the length, in inches, of each edge of the box

Algebra ->  Surface-area -> SOLUTION: All of the edges of a metal box are of equal length. If the surface area is 216 square inches, what is the length, in inches, of each edge of the box      Log On


   



Question 984898: All of the edges of a metal box are of equal length. If the surface area is 216 square inches, what is the length, in inches, of each edge of the box
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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The box is a cube, with 6 equal faces (if top is included)
216in%5E2%2F6=36in%5E2
Each face is a square 36 square inches in area.
The side of a square = square root of the area:
side=sqrt%2836in%5E2%29
side=6in
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ANSWER: The length of each edge is 6 inches.