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Geometry 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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Question
Answer
Point   show
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show One dimension (length). A straight path that extends infinitely in both directions. Two points determine a line.  
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show A part of a line between two endpoints. A finite length.  
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Plane   show
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show Three or more points on the same line. Co (together) Linear (line).  
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show Three or more points that are NOT on the same line. You know that 3 points are non collinear when you cannot draw one line that contains all three of those points.  
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Coplanar   show
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Compass   show
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show A tool used to draw straight lines.  
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Congruent   show
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show The length of the segment between two points.  
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Intersection   show
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show A pair of angles (two) that form a straight line. These are adjacent and add up to 180 degrees.  
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show Next to one another. Two angles are adjacent when they share a common vertex and a common side.  
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show A common endpoint. The vertex of an angle is where the two sides of the angle converge or meet.  
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Midpoint   show
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show Two rays with a common vertex form an angle measured in degrees.  
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show An angle that measures between 0 and 90 degrees.  
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show An angle that measures between 90 and 180 degrees.  
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Straight Angle   show
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show A mark created using a compass. An arc is another name for a construction mark.  
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show Constant distance from the center of a circle to a point on the circle.  
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Right Angle   show
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Supplementary Angles   show
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Complementary Angles   show
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show A logical argument in which each statement you make is supported by a reason that is accepted as true.  
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Parallel Lines   show
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show Forms a right angle.  
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Equilateral   show
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show Having equal angles.  
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Right Triangle   show
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show 3 sided Polygon. Interior angles always sum to 180 degrees.  
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Isosceles Triangle   show
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Equilateral Triangle   show
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show Matching parts of congruent figures.  
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Pythagorean Theorem   show
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show The largest side of a right triangle. This side is directly 0pposite the right angle.  
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show The same distance.  
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Perpendicular Bisector   show
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Bisector   show
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Angle Addition   show
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Segment Addition   show
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Created by: mrkamen
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