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Geometry Ch.1

Vocabulary Terms Ch.1

Angle Consists of two different rays that have the same initial point.
Line extends in one direction, usually represented by arrowheads.
Perpendicular lines Two lines that intersect to form a right angle
point represented by a small dot
right angle an angle with a measure equal to 90 degrees
parallel lines lines that do not touch each other but run right beside each other
ray device used to measure surface areas
mid point the point that divided or bisects a segment into two congruent segments
vertex where two rays come together to form an angle
ruler device used to measure surface areas
segment distance between two points on a line
degree angle of measure
protractor device used to measure angles
intersecting lines One or more sets of lines that cross each other
straight angle An angle that measures 180
Created by: osubuckeye1012