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Colt1911 [192]
3 years ago
11

Alejandro places a gift in a rectangular box with a length of 7.5 inches, a width of 4.5 inches, and a height of 3.25 inches. Wh

at is the amount of wrapping paper Alejandro needs to cover the rectangular box?
Mathematics
1 answer:
AURORKA [14]3 years ago
5 0
First, you need to multiply each of these numbers. This is a rectangle so you would do l*w, l*h, and h*w. You would do all of these things and then multiply each expression by 2 to complete the equation. Then add all of them together and you have your answer. The reason you multiply by two is because there are 2 versions of this for each equation. The top and bottom, the two vertical sides, and the two horizontal sides. 7.5*4.5*2=67.5, 7.5*3.25*2=48.75, and 4.5*3.25=29.25. Now add. 67.5+48.75+29.25=145.5 as our grand total.

The answer is 145.5in^2

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