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If the length of the base of a rectangle is increased by 30 percent but the length of the altitude is decreased by 40 percent, by what percentage is the area changed?

If the length of the base of a rectangle is increased by 30 percent but the length of the altitude is decreased by 40 percent, by what percentage is the area changed?
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If the length of the base of a rectangle is increased by 30 percent but the length of the altitude is decreased by 40 percent, by what percentage is the area changed?

User Brz
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8.2k points

1 Answer

11 votes

i think a picture with help

User Lior Elrom
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