Geometry

Question Analysis

This question focuses on identifying the type of line segment  in the triangle, based on knowledge of angle bisectors, mid - segments, and perpendicular bisectors.

Key Concept Explanation

Angle bisector: A line segment that divides an angle of a triangle into two equal - measure angles.

Mid - segment: A line segment that connects the midpoints of two sides of a triangle.

Perpendicular bisector: A line that is perpendicular to a side of a triangle and bisects that side.

Step - by - Step Solution

1. Observe the red arcs at the vertex . These arcs indicate that  and  are equal.

2. Since  divides

Click "Show Answer" to reveal the answer and analysis