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Geometry Ch.1
Vocabulary Terms Ch.1
Term | Definition |
---|---|
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 |