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Vocabulary Terms Ch.1

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