Perpendicular Bisector Worksheet. Simple worksheet for students to practice constructing perpendicular bisectors and find the centre of equilateral triangles by constructing. Angle bisector theorem if a point is on the bisector of an angle, then it is equidistant from the sides of the angle.

Some of the worksheets for this concept are 5 angle bisectors of triangles, 13 perpendicular bisector. By the perpendicular bisector theorem, ps = rs. In the diagram shown below, mn is the perpendicular bisector of st.