To Select the Bisector of an Element (with AccuSnap)

Select Bisector Snap mode.
Move the pointer over the required element.
AccuSnap displays the bisector snap point of the element.
If necessary, using the tentative hint as a guide, move the pointer toward the required snap point until the tentative snap point marker displays.
Enter a data point to accept the tentative snap point.

Locating the Bisector point on an Element using the Bisector Snap Mode