Question

ΔABC shows:

a median.
an altitude.
an angle bisector.
None of these choices are correct.

Answer 1

an altitude

Explanation:

a median is a line from a vertex to the midpoint of the opposite side.

an altitude is a line from a vertex at right angles to the opposite side.

an angle bisector is a line which bisects an angle at a vertex.

in the diagram here the line from vertex A at right angles to BC is an altitude.