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IRINA_888 [86]
3 years ago
9

A cereal box has a length of 8 inches, a width of 2.5 inches and a height of 12 inches. The cereal box is made completely of car

dboard. What is the least amount of cardboard needed to make the cereal box?
Mathematics
1 answer:
ozzi3 years ago
5 0
We know that

[the surface area]=2*[area of the base]+[perimeter of the base]*height
[the surface area]=2*[8*2.5]+[2*(8+2.5)]*12
[the surface area]=40+252-----> 292 in²

the answer is
<span>the least amount of cardboard needed to make the cereal box is 292 in</span>²
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