polygons - Closed shapes that have only straight sides, angle - Two rays that meet at the same endpoint, vertex - The point at which two sides meet, concave - A shape with one or more angles pointing in, convex - A shape with all angles pointing outward, parallel lines - Two lines or segments that will never cross, intersecting lines - Lines that cross, or intersect, at a point., right angle - An angle that makes a square corner, quadrilaterals - Polygons with 4 sides, ray - A line with one end point, line segment - Part of a line with two end points, point - An exact location , line - A straight path that keeps going and going...,

Geometry vocab

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