Question

which line segment is an angle bisector?

Explanation:

Step1: Recall the definition of an angle bisector

An angle bisector is a line segment that divides an angle into two equal - measure angles.

Step2: Analyze the angles formed by each line segment

For line segment \(EF\), it divides \(\angle BED\) into two angles of \(19^{\circ}\) each.

Answer:

\(EF\)