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How do you find the answer to the question what is the surface area of a rectangular prism with the dimensions 3 inches by 4 inches by 8 inches?
Wiki User
∙ 12y ago
You multiply the dimensions in pairs, calculate their sum and then double the answer.
So (3*4 + 4*8 + 8*3)*2 = (12 + 48 + 24)*2 = 84*2 = 168 sq inches
Wiki User
∙ 12y ago
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utdytkyjhg
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