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Ch. 8 Vocab

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Line of Symmetry   A line that divides a figure into mirror images  
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Image   The result of a transformation of a point, line, or figure  
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Transformation   A change in the position, shape, or size of a figure  
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Angle of Rotation   The number of degrees that a figure rotates  
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Reflection   A transformation that flips a figure over a line  
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Reflectional Symmetry   When a figure is reflected over a line, its image matches the original figure  
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Scale Factor   The ratio of a length in the images to the corresponding length in the original figure  
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Line of Reflection   A line across which a figure is reflected  
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Center of Rotation   A fixed point about which a figure is rotated  
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Reduction   A dilation with a scale factor less than 1  
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Enlargement   A dilation with a scale factor greater than 1  
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Translation   A transformation that moves each point of a figure the same distance and in the same direction  
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Dilation   A transformation in which a figure and its image is similar  
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Rotational Symmetry   It can be rotated 180 degrees or less and match the original figure  
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Rotation   Transformation that turns a figure about a fixed point  
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Created by: mjys02
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