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Geometry Week 1

3rd grade geometry week one- lines, rays, points

TermDefinition
line a set of points that extend forever in opposite directions
line segment the part of a line between two endpoints
ray the part of a line that starts at one endpoint and goes on forever in one direction
intersecting lines lines that meet at a common point
parallel lines line on a flat surface that are always the same distance apart. They will never intersect
perpendicular lines lines that intersect at square corners
angles formed by two rays that start out from the same point
right angle an angle that forms a right angle (square corner)
acute angle an angle that is less than a right angle
obtuse angle and angle that is greater than a right angle
Created by: Flynnfamily
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