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Parallel lines Lines that stay constantly the same distance apart. They never touch.
Perpendicular lines Lines that intersect at a right angle to each other
Point A position in space
Line A line is the straight path connecting two points and extending beyond the points in both directions
Line segment A section of line with endpoints
Ray A line that has a starting point, but no end point
Right angle An angle measuring exactly 90 degrees
Acute angle An angle that measures less than 90 degrees
Obtuse angle An angle between 90 degrees and 180 degrees
Protractor A tool used to measure angles.
Created by: Mrs_Irish