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Tools of Geometry Vocab Terms

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   show
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Plane   show
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show The set of all points in three dimensions.  
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show Points that lie on the same line.  
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show Points that lie on the same plane.  
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Ray   show
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Segment   show
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show Having the same measure.  
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show A point that divides a segment into two congruent segments.  
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show A figure formed by two rays with a common endpoint. The endpoint is called the vertex.  
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Vertex   show
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Acute   show
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show Angle greater than 90 degrees  
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show Angle that is 90 degrees  
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show Angle that is 180 degrees  
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show A ray that cuts and angle in half  
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Segment bisector   show
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show Two rays that have a common endpoint and form a line  
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show A pair of opposite congruent angles formed by intersecting lines  
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show Two angles that add up to 90 degrees  
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show Two angles whose sum is 180 degrees  
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Adjacent Angles   show
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show Angles that share a common side and add up to 180 degrees.  
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show Lines that are in different planes and never intersect.  
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show A line that intersects two or more lines  
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Corresponding Angles   show
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Alternate Interior Angles   show
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show Outside angles of a pair of lines and different sides of the transversal / congruent when the two lines are parallel  
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show Interior angles that lie on the same side of the transversal, they are supplementary when the two lines are parallel.  
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show Two exterior angles on the same side of the transversal, they are supplementary when the two lines are parallel.  
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Triangle Sum Theorem   show
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Exterior Angle Theorem   show
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Isosceles Triangle Theorem   show
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Equiangular-Equilateral Triangle Theorem   show
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Created by: wenzelj
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