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Geometry Ch6

TermDefinition
Dilation A transformation that preserves angle measures and results in an image with lengths proportional to the preimage lengths.
Scale factor of a dilation In a dilation, the ratio of a side length of the image to the corresponding side length of the original figure.
Similar polygons Two polygon such that their corresponding angles are congruent and the lengths of corresponding sides are proportional.
Scale factor of two similar polygons The ratio of the lengths of two corresponding side length of the original figure.
Center of dilation In a dilation, the fixed point about which the figure is enlarged or reduced.
Reduction A dilation with a scale factor between 0 and 1.
Enlargement A dilation with a scale factor greater than 1.
Created by: Dludden03