WHAT YOU NEED: a ruler, a compass and a pencil. STEP 2: Put the pin of a compass at the end of the line you want to bisect. Set the compass to more than half the length of the line, and draw an arc ...
A perpendicular bisector is a line segment that is perpendicular to another line segment and passes through its midpoint. In geometry, it is often used to construct angles, triangles, and circles.