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