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Math Chapter 8 Vocabulary IV

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
radius   any line segment that connect the center to a point on the circle  
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center   a point within a circle that is the same distance from all points on a circle  
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circle   a closed plane figure in which all the points are the same distance from a point called the center  
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congruent figures   figures that have the same shape and the same size  
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diameter   a line segment that connects two points on a circle and passes through the center  
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turn (rotation)   moves a figure about a point  
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chord   any line segment that connects any two points on a circle  
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flip (reflection)   to turn a plane figure over  
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slide (translation)   a change in position of a figure that moves up, down, or sideways  
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symmetric   a figure that can be folded into two congruent halves that fit on top of each other  
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volume   the number of cubic units needed to fill a solid figure  
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line of symmetry   a line on which a figure can be folded so that both halves are congruent  
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area   the number of square units needed to cover a region  
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perimeter   the distance around a figure  
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similar figures   figures that have the same shape and may not have the same size  
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Created by: dmeisner
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