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21 August, 18:22

The perimeter of a rectangle changes from 2.5 to 10 after a dilation. What was the scale factor of the dilation?

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  1. 21 August, 18:51
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    4

    Step-by-step explanation:

    To find the scale factor divide the new length by the original.

    10 / 2.5 = 4

    The scale factor is 4.
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