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18 Cards in this Set
- Front
- Back
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point
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Has no dimensions. Foundation of geometry along with sets.
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Line
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A set of points
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Plane
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A set of lines.
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space
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A set of all points
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Segment
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Segment AB is the union of points A and B and all points inbetween
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Between
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C is between A and B if A, B, and C are collinear and AC+CB=AB
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Ray
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AB is the union of line segment AB and all points C such that B is between A and C
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Coplanar
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Points on the same plane
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Collinear
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On the same line
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Angle
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the union of non collinear rays at their endpoint
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Complimentary
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Two angles that add up to 90 degrees
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Supplementary
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Two angles that add up to 180 degrees
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Triangle
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The union of 3 noncollinear points and the segments joining each pair
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Midpoint
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C is the midpoint of AB, if ABC are collinear and if AC=CB
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Convex set
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A set of all points such that for any two points of the set the segment joining those points stays inside the set
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Vertex
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Where the rays of an angle meet
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Linear pair
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Any two angles which share a common vertex and common side are opposite rays
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Opposite rays
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Two rays that share the same end point and go in opposite directions
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