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choli [55]
3 years ago
15

A rectangular prism has a height of 3,a length of 4,and a width of 12,what is the surface area?

Mathematics
2 answers:
lukranit [14]3 years ago
6 0
The formula for the surface area of a rectangular prism is 2 (<em>wl </em>+ <em>hl</em> + <em>hw</em>)

So first we multiply the width by the length.
12 x 4 = 48
Now we multiply the height by the length.
3 x 4 = 12
Now we multiply the height by the width.
3 x 12 = 36
Now we add all of our answers together.
48 + 12 + 36 = 96
And now we multiply it by 2.
96 x 2 = 192

So the surface area of the rectangular prism is 192.
NNADVOKAT [17]3 years ago
4 0
It would be 144 to the 2 power

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