2. Lines A line is a series of points that extends in two opposing directions without end. Lines have no thickness. Q S Read it as: “Line QS” or “Line SQ” Write it as: (QS ) or (SQ)
3. Segments A segment is a part of a line with two endpoints. R B Read it as: “Segment RB” or “Segment BR” Write it as: [RB] or [BR]
4. Rays A ray consists of an endpoint and all the points of a line on one side of the endpoint. C D Read it as: “Ray CD” (the order does matter) Write it as: [CD)
5. Points A point is a location in space. It has no size. It is named by a capital letter. . A Read it as: “Point A” Write it as: “A”
