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To find the surface area of a rectangular prism, you can use the formula (SA = 2(lw + lh + wh)), where (l), (w), and (h) are the length, width, and height, respectively. For a prism with dimensions 3m (width), 4m (length), and 8m (height), the surface area calculation is (SA = 2(3 \times 4 + 3 \times 8 + 4 \times 8) = 2(12 + 24 + 32) = 2 \times 68 = 136 , \text{m}^2). Therefore, the surface area of the rectangular prism is 136 square meters.

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2w ago

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