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Find the surface area of a shipping box with a base of 5in x 4in and a height of 4in

User Steven P
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Check the picture below.

so let's get all the area of its rectangles and sum them up.


\stackrel{\textit{\large rectangles' area}}{\stackrel{\textit{left and right}}{2(4\cdot 4)}+\stackrel{\textit{front and back}}{2(5\cdot 4)}+\stackrel{\textit{top and bottom}}{2(5\cdot 4)}}\implies 16+40+40\implies \stackrel{total}{96}

Find the surface area of a shipping box with a base of 5in x 4in and a height of 4in-example-1
User Rnrneverdies
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