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Geometry U2

Transformations

DefinitionTerm
An operation that moves or changes a geometric figure in some way to produce a new figure. transformation
A coordinate plane, a translation moves an object a given distance right or left and up or down. You can use coordinate notation to describe a translation. Ex: (x+3, y-3) Coordinate notation
A transformation that moves every point of a figure the same distance in the same direction. translation
A transformation in which a figure is turned about a fixed point called the center rotation. rotation
A transformation that uses a line of reflection to create a mirror image of the original figure. reflectional symmetry
A figure in the plane has rotational symmetry if the figure can be mapped onto itself by rotation of 180 degrees or less about the center of the figure. The point is the center of symmetry. rotational symmetry
A transformation that stretches or shrinks a figure to create a similar figure. dilation
Created by: angelashaver
 

 



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