Question

altitudes and medians which is shown, an altitude, a median, or neither? is shown. an altitude a median neither

Explanation:

Step1: Recall definitions

An altitude of a triangle is a perpendicular segment from a vertex to the line containing the opposite side. A median is a segment from a vertex to the mid - point of the opposite side.

Step2: Analyze the given segment

In the given triangle, the segment from vertex \(A\) is perpendicular to side \(BC\). Since it is perpendicular from a vertex to the opposite side, it satisfies the definition of an altitude.

Answer:

An altitude