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Vocabulary for FOCA_8.3

translation A transformation that moves all points of the original figure the same distance in the same direction. Also called a slide.
rotation A transformation that turns every point of a preimage through a specified angle and direction about a fixed point, called the center of rotation.
reflection A transformation representing the flip of a figure over a point, line, or plane. A reflection in a line is a function that maps a point to its image such that if the point is on the line, then the image and the preimage are the same point, or if the point is not on the line, the line is perpendicular bisector of the segment joining the two points.
congruence Having the same measure.
similar Polygons that have exactly the same shape, but not necessarily the same size.