In general 'to bisect' something means to cut it into two equal parts.
The 'bisector' is the thing(usually a line) doing the cutting into two
In an angle bisector
, it is a line passing through the vertex of
the angle that cuts it into two equal smaller angles.
In the above diagram, line AD bisects the
Each point on the line AD(angle bisector) is equidistant from the
line AB and line AC.
For more information refer to Angle Bisector
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