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If you assume that 2.5 refers to the scale factor, you multiply each linear measurement by 2.5. This includes the width, the length, and - if you want to use it to construct your new rectangle - the diagonals. It also happens to include the perimeter, but you probably won't need that to construct the rectangle.

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8y ago
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8y ago

You multiply its length and its width by 2.5

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Q: How do you enlarge a rectangle by 2.5 with scale factor?
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