SOLUTION: an open-toped box has height h and a squre base with perimeter 4x. what is the surface area of the box?

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Question 292950: an open-toped box has height h and a squre base with perimeter 4x. what is the surface area of the box?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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an open-topped box has height h and a square base with perimeter 4x.
what is the surface area of the box?
:
Surface area is the area of the bottom (x^2) plus the area of the 4 sides xh
S.A. = x^2 + 4xh
Simplify
S.A. = x(x + 4h)