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Find the surface area please!

Find the surface area please!-example-1

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Answer:

158 in²

Explanation:

First we can write the equation to find the surface area of a rectangular prism
A = 2(w*l+h*l+h*w)

Now rewrite filling in variables


A = 2(3*5+8*5+8*3)

Solve. Keep in mind the order of operations

After solving, you should get 158.

Since these measurements were done in inches, we need to add inches/in to the end.

Also, since it is area, we need to add ²

158 in²

User Otto Fajardo
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