Answer:
The angle bisector of a given angle.
Step-by-step explanation:
From the construction, < BAC is the given angle. With any radius, draw arc BC. With any radius and points B and C as the centers consecutively, draw arcs to intersect at O. Join O to A. Line /AO/ is the angle bisector of the given angle <BAC.
The construction illustrated is the angle bisector of a given angle.
