Rectangle A′B′C′D′ is the image of rectangle ABCD after a dilation. What is the scale factor of the dilation?
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![Rectangle ABCD is the image of rectangle ABCD after a dilation What is the scale factor of the dilation Enter your answer in the box class=](https://us-static.z-dn.net/files/d1c/ee11c1c5fd4d8c7088135861886db5aa.png)