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An angle that measures less than 90 degrees 


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An angle that is exactly 90 degrees 


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An angle that is over 90 degrees 


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An angle that is exactly 180 degrees 


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Has two sides and a middle point called a vertex 


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To seperate something into two equal parts 


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Two angles whose sum equals 90 dregrees 


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Two angles whose sum equals 180 degrees 


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When the measure of two angles is equal 


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When two line segments intersect at a right angle 


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Figures that have the same size and shape 


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Figures that have the same shape, but not the same size 


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The parts of Congruent Figures that "match" 


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The most form of measurement for angles 


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All sides and angles of the triangle are congruent 


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A triangle with no congruent sides 


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A triangle with at least two congruent sides 


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When a figure can be rotated and look exactly the same before it reaches a 360 degree rotation 


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Definition
A figure with:
All opposite sides congruent
All angles Right
And all opposite side parallel 


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Definition
A figure with:
All sides congruent
All angles right
and all opposite sides parallel 


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Definition
A figure with:
Opposite side congruent and parallel
and all angles congruent 


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Definition
A figure with:
All sides congruent
Opposite sides parallel
And opposite angles congruent 


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The line that seperates a figure into 2 matching halves 


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When the halves of a figure match 


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Lines that share a common endpoint 


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The common endpoint of an angle 


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A polygon with all congruent sides and angles 


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Definition
A closed, 2dimensional figure with 3 sides or more 

