math

What is the surface area of a rectangular prism with a length of 2 ft., a width of 9ft., and a height of 12ft?

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asked by Jarron
  1. As = 2(L*h) + 2(W*h) + 2(L*W)
    As = 2(2*12) + 2(9*12) + 2(2*9) =

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    posted by Henry

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