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 Description  
 Translation:  A transformation that "slides" each point of a figure the same distance in the same direction.

 

 

For example, in the figure to the left, point A is moved 2 units down and 3 units to the right to form the point A'. Also, point B is moved 2 units down and 3 units to the right to form the point B'. Since the two figures have the same size and shape, a translation is an isometry.