hlphelpplese
hlphelpplese
15-02-2018
Mathematics
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Please please help show work
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cdw2014
cdw2014
15-02-2018
Surface area is the sum of the areas of each side of a three dimensional object.
There are two sides that are 11x9, two sides that are 9x3, and two sides that are 11x3.
So the surface area is:
2(11)(8)+2(9)(3)+2(11)(3) = 296 ft^2
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