Pre Algebra Geometry Basics Transformations
About this set
GodsLighthouse on December 2, 2011
If you pick up an apple, you can flip it over, turn it around, or move it somewhere else—and you still have the same apple you started with. Mathematically, these kinds of motions are called transformations. In this lesson, you will learn about two kinds of transformations—reflections and rotations.
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|center of rotation||the point about which a figure is rotated|
|image||in a transformation, the new figure that results from the transformation|
|line of reflection||the line that a figure is reflected across|
|preimage||the original figure in a transformation|
|reflection||a transformation of a figure by flipping it across a line or line segment, creating a mirror image of the figure|
|rotation||a transformation of a figure by turning it about a given point|