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31 Cards in this Set
- Front
- Back
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A set of points all which lie on the same straight line.
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Collinear Set of Points
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A set of three or more points that do not all lie on the same straight line.
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Noncollinear Set of Points
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the absolute value of the difference of the corrdinates of the two points,
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Distance Between Two Points on The Real Number Line
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B is _________ A & C if and only if A,B and C are distinct collinear points
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Between
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a set of points consisting of two points on a line called endpoints and all points between the endpoints.
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Line Segment
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Distance between endpoints
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Length or Measure of A Line Segment
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segments that have the same measure
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Congruent Segments
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the point of that the line segment that divides the segment into two congruent segments
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Midpoint of A Line Segment
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any line or subset of a line that intersects the segment at its midpoint
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Bisector of A Line Segemtn
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Line RS is the sum ____ _______ _________, line RP and PS, if point P is between points R and S
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Two Line Segments
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A And B are ___ ____ ____ of pooint P if A, B, and P are collinear and P is not between A and B
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On One Side
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part of a line that sonsists of a point on the line called an endpoint and all the points on one side of the endpoints
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Ray
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two rays of the same line with a common endpoint and no other point in common
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Opposite Rays
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a set of pints that is the union of two rays having the same endpoint
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Angle
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an angle that is the union of opposite rays
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Straight Angle
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an angle whose degree measure is greater than 0 but less than 90
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Acute Angle
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an angle whose degree measure is 90
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Right Angle
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an angle whose degree measure is greater than 90 but less than 180
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Obtuse Angle
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angles that have the same measure
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Congruent Angle
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a ray whose endpoint is the vertex of the angle and that divides the angle into two congruent angles
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Bisector of An Angle
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a closed figure in a plane that is the union of line segments such that the segments intersect only at their endpoints and no segments share a common endpoint
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Polygon
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a polygon that has exactly three sides
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Triangle
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a triangle that has no congruent sides
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Scalene Triangle
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a triangle that has two congruent sides
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Isosceles Triangle
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a triangle that has three congruent sides
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Equilateral Triangle
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a triangle that has three acute angles
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Acute Triangle
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a triangle that has three congruent angles
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Equangular Triangle
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a triangle that has a right angle
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Right Triangle
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a triangle that has an Obtuse angle
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Obtuse Triangle
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lines that are in the same plane but have no points in common or have all points in common
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Parallel Lines
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two lines that intersect to form right angles
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Perpendicular Lines
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