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April 19, 2015

Homework Help: please help with geometry - dilation

Posted by Knights on Thursday, February 21, 2013 at 5:37pm.

When a square of area 4 is dilated by a scale factor of k, we obtain a square of area 9. Find the sum of all possible values of k.

I do not understand...it is not 3/2, as I was told, but I don't understand why? Help?

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