Measure the length (L), width (W) and height (H).
Then total surface area = 2*(L*W + W*H +H+L)
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The surface area of a cylinder prism has round shape and the surface of a rectangular prism has a square shape.
96 square feet
The suface are of a rectangular prism is the area of each face added together for a total.
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Suppose that the area of the rectangular base is: lw then if the height is: h the surface area is: lw + lh + wh I believe that formula is for the surface area of a rectangular prism...