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### 22 Cards in this Set

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• Back
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 congruent polygons Two polygons are congruent when the have the same size and same shape consecutive vertices "Consecutive: going in order coplanar points Points that lie on the same plane. diagonals A line segment that connects any two non-consecutive vertices equiangular polygons A polygon whose angles are all the same measure equilateral polygons A ploygon whose sides are all the same length line A straight arrangement of points that goes forever in both directions line segment Part of a line with two endpoints. linear pair of angles A pair of angles on the same line. parallel lines Two or more lines that lie in the same plane and do not intersect perimeter Sum of all the sides None perpendicular lines Two lines that intersect to form a right angle plane A flat surface that goes forever in all directions. point The basic unit of geometry. It has no size None polygon A closed geometric figure ray A part of a line that has a beginning but no end regular polygon A polygon whose angles and sides are all the same measure side Line segment connecting 2 vertices skew lines Lines that are not in the same plane and that do not intersect space Set of all points. supplementary angles Two angles whose measures have the sum of 180° vertical angles A pair of angles directly across from each other