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Names and significance of all primary school mathematics learning lines
Line segment: Two points on a straight line and the part between them are called line segments.

Straight line: A tightly drawn line gives us the image of a straight line, which is straight and extends infinitely in two directions.

Ray: A point on a straight line and the part beside it are called rays.

Parallel lines: In the same plane, two disjoint lines are called parallel lines.

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