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Find the surface area of a rectangular prism with a height of 6 inches, a width of 7 inches, and a length of 13 inches.

User MrDracow
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2 Answers

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We know, Surface area of a rectangular prism = 2(wl + hl + hw)
area = 2(7*13 + 6*13 + 7*6)
area = 2(91+78+42)
area = 2(211)
area = 422 in²

So, your final answer is 422 in²

Hope this helps!
User Blmoore
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7.9k points
1 vote
So if Surface area is the total area of each side or
SA = 2(6 * 7) + 2(7 * 13) + 2(6 * 13), so
SA = 84 + 182 + 156
SA = 442 in^2
User Jakdep
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