To make smaller or bigger without changing the angles of the shape nor the ratio between sides
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A dilation is a transformation (notation ) that produces an image that is the same shape as the original, but is a different size. A dilation stretches or shrinks the original figure. The description of a dilation includes the scale factor (or ratio) and the center of the dilation.
You've waited 27 minutes for something you could of googled and had instantly.
