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Pre-Algebra Chap 1&2

Pre-Algebra Chapter 1 & 2

Literal Equation An equation that has two or more variables
Congruent Figures Figures that have the same size and the same shape
Corresponding Angles Matching angles of two congruent figures △ △ ABC DEF
Corresponding Sides Matching sides of two congruent figures
Transformation This changes a figure into another figure.
Image The new figure formed by a transformation
Translation A transformation in which a figure slides but does not turn; Every point of the figure moves the same distance and in the same direction.
Reflection A transformation in which a figure is reflected in a line called the line of reflection; A reflection creates a mirror image of the original figure.
Line of Reflection A line that a figure is reflected in to create a mirror image of the original figure
Rotation A transformation in which a figure is rotated about a point called the center of rotation; The number of degrees a figure rotates is the angle of rotation
Center of Rotation A point about which a figure is rotated
Angle of Rotation The number of degrees a figure rotates
Similar Figures Figures that have the same shape but not necessarily the same size; Two figures are similar when corresponding side lengths are proportional and corresponding angles are congruent.
Dilation A transformation in which a figure is made larger or smaller with respect to a fixed point called this
Center of dilation A point with respect to which a figure is dilated
Scale Factor The ratio of the side lengths of the image of a dilation to the corresponding side lengths of the original figure
Created by: jkuecker
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