Answer:
An arc that intersects both the line at a certain given point is drawn when we need to draw a certain line that would be parallel to the previously given line.
Explanation:
From the two points from where the arc connects the line another Arc is drawn opposite to the points such that is arcs intersect each other. Similar process is done on the other side of the line.
A line is drawn joining the two points. Now on the given line the same process that had been done previously to draw a perpendicular is done on this line which help in drawing a line that would be parallel to the initial line.
