A step by step instructable on how to construct 2 parallel lines
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Create a straight line using a straightedge and label one point A and one point B
Plot a point above the straight angle and label it C
Using a straightedge, draw a straight line from point A to point C
Draw an arch between line AC and line AB with thepoint of the compass on point A
Copy the same arch, starting with the point of your compass at point C
Measure the first arch, where it passes through each line with your compass
Now, using the compass make the distance of point ones arch at point 2
Lastly, draw a line through point C, and where the second arch and dash intersect