parallel lines

Parallel Lines

Lines that lie in the same plane and do not meet one another are said to be parallel lines.

In the accompanying diagram, the line AB is parallel to the line CD.  This is indicated by the similar arrows.

Drawing Parallel Lines
A ruler and set square can be used to draw parallel lines as described below.
Step 1:  Position an edge of the set square against a ruler and draw a line along one of the other edges.
Step 2:  Slide the set square into a new position while keeping the ruler fixed exactly at the same position.
Step 3:  Draw a line along the same edge that was used in Step 1.





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