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Segments, rays, Parallel Lines and Planes

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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Question
Answer
Segment   is the part of a line consisting of two endpoints and all points between them  
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Ray   is the part of a line consisting of one endpoint and all points of the line on one side of the endpoints.  
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Opposite rays   are two collinear rays with the same endpoint. They always form a line.  
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Parallel lines   are coplanar lines that do not intersect.  
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Skew lines   are noncolplanar: therefore they are not parallel and do not intersect.  
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Parallel planes   are planes that do not intersect.  
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Created by: sbowman
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