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Topic 8 vocab pt1


parallel lines Lines that never intersect or cross over eachother.
intersecting lines Lines that pass through the same point.
perpendicular lines Lines that form square corners where they meet.
point An exact location in space.
Line A straight path of points that goes on and on in two directions.
plane An endless flat surface.
line segment A part of a line with two endpoints.
ray A part of a line that has one endpoint and continues on forever in one direction.
angle A figure formed by two rays that have the same endpoint. They are given special names depending on their size.
right angle An angle that forms a square corner and measures 90 degrees.
acute angle An angle that measures less than 90 degrees and is less than a right angle.
obtuse angle An angle that is greater than a right angle, and is more than 90 degrees.
straight angle This angle forms a straight line.
Created by: alujan1971