Instructables

Fun with ruler and compasses - basic geometric constructions.

Step 7: Construction #5 - draw parallel lines.

  • Parallel lines are always the same distance apart - they neither meet nor diverge.

You may need to draw a line through a point that is parallel to another, nearby line.

Start by drawing a diagonal line through the point that crosses the existing line.

This creates an angle between the original line and the diagonal line.

Using the directions from step 6, copy that angle onto the diagonal line, at the point where the new parallel line is supposed to go through.

Congratulations!
 
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