straight edge. The original line AB will now be
accurately divided.
Figure 4.9 Example on how to divide a line in to a number of
equal parts
C. How to Bisect an Angle
To bisect an angle means to divide it in half or to cut it in to
two equal angles.
Given: Angle BAC
Step 1: Set the compass at any convenient radius and swing
an arc from point A
Step 2: Locate points E and F on the legs of the angle, and
swing two arcs of the same identical length from
points E and F, respectively.