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35 votes
35 votes
7 ft12 ft10 ftWhat is the surface area of the figure?square feetEnter

User Lanre
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1 Answer

21 votes
21 votes

The surface area of rectangular prism is


A=2wl+2lh+2hw

Where w is the width, w = 10 ft here and h is the height h = 7 ft here and l is the length l = 10 ft here.

The surface area is now given by


\begin{gathered} A=2*10*12+2*7*10+2*7*12 \\ A=240+140+168 \\ =548 \end{gathered}

User Sdffadsf
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