A transformation that stretches or shrinks a shape is called a dilation. In geometry, dilation involves scaling a shape either up (stretching) or down (shrinking) from a center point, known as the center of dilation. The scale factor determines how much the shape is stretched or shrunk; a scale factor greater than 1 results in a stretch, while a scale factor between 0 and 1 results in a shrink.
which transformation streches or shrinks a shape
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