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Unit 3 Transformatio

Unit 3 Transformations

TermDefinition
congruence when two figures are the same size and same shape
dilation a transformation that enlarges or reduces a figure
image a shape or figure after a transformation or the new figure
orientation of a figure the direction in which a figure is placed on a coordinate plane pre-image a shape or figure before a transformation; the original figure
reflection a transformation that produces a mirror image of the original figure over a line of reflection
rotation a transformation that turns a figure around a center of rotation
scale factor the ratio of corresponding sides in similar figures; the multiplier used to create a dilation
similarity when two figures are the same shape and have proportional sides and congruent angles
translation a transformation that moves each point of a figure the same distance and same direction
Created by: hmcarew