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How much paper do you need to completely cover a rectangular box that is 20 inches by 18 inches by 2 inches?

1 Answer

3 votes
surface area

SA=2(LW+LH+WH)
SA=2((20)(2)+(20)(18)+(2)(18))
SA=2(40+360+36)
SA=2(436)
SA=872


872 in^2 of paper
User Robin Luiten
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