A bisector is a line which cuts another line exactly in half. An angle bisector cuts an angle into two angles of equal size. It can be constructed using a ruler and a pair of compasses.

A line which cuts an angle into two equal side angles is called an angle bisector. In geometry a construction is an accurate drawing. There are two main constructions which can be done using a ...

This is how you do it: Construct an angle, any angle. Bisect it. At a point, any point, on the line of bisection, draw lines to sides of angle and perpendicular to bisector.