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### 15 Cards in this Set

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• Back
 What is a point? A location in space. Define Ray: A straight path that goes on forever in one direction from an endpoint. Define Line Segment: A straight path between 2 points, called its endpoints. Define Line: A straight path that goes on forever in both directions. Define angle: Two rays or line segments with a common endpoint called vertex. Define Parallel Lines: Lines that never meet and are everywhere the same distance apart. Define Parallel Line Segments: Segments that are everywhere the same distance apart. Define Intersecting Lines: Lines that meet. Define Intersecting Line Segments: Segments that meet. Define Perpendicular Lines: Lines that intersect at right angles. Perpendicular Line Segments: Segments that intersect at right angles. Define Polygon: A closed shape made of atleast 3 sides. The sides of a Polygon do not cross or intersect. Define Vertex: An endpoint that is shared in an angle. Define Convex Polygon: A Polygon with all Angles pointing out. Define Concave Polygon: A Polygon with all angles pointing in.