Please solve thank u

Mathematics

1 answer:

Tomtit [17]3 years ago

4 0

To solve this, we must know the formula for surface area of a rectangular prism. The formula solves for 3 of the faces, and then multiplies by 2, because in a rectangular prism, 2 opposite sides will always be equal.

The formula is 2(wl+hl+hw)

Now all we have to do is substitute in our values and solve.

2(wl+hl+hw)=
2(12*11+11*11+11*12)=
2(385)=
770=

Using the math above, we can see that the correct answer is A. 770 square cm.

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