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natali 33 [55]
3 years ago
11

find the surface area of the rectangular prism that is 16 inches long, 12 inches wide, and 5 inches in length

Mathematics
2 answers:
Alex Ar [27]3 years ago
7 0
<span>Surface Area of a closed rectangular Prism equals to twice the area of the base plus the perimeter of the base multiplied by the height.

In your question:
 
Area of the base = (16)(12) = 192
 
Twice the Area of the base = 2(192) = 384
 
Perimeter of the base = 2(16) + 2(12) = 56
 
Surface Area = Twice the Area of the base + the Perimeter of the base x height
 
S.A. = 384 + 56 x 5
</span>
The surface area is 664 <span>in². Hope that helps.</span>
.
Afina-wow [57]3 years ago
4 0
960 square unit

length x width x height
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