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Find the lateral surface area in square kilometers, of the 3-dimensional figure shown below

 

 Jul 12, 2020
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Back square is  9km x 5 km =......

triangular ends are 3-4-5 rt triangles and there ae TWO  so     2   x 1/2 x 3 x 4 =.......

top rectangle    9 x 3  = .......

front rctangle    9 x 4 = ........                  ADD all of the REDs

 Jul 12, 2020

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