Question

define altitude of a triangle

Answer 1

The definition of the altitude of a triangle is a line that extends from one vertex of a triangle perpendicular to the opposite side.

Answer 2

Answer:

In geometry, an altitude of a triangle is a line segment through a vertex and perpendicular to (i.e., forming a right angle with) a line containing the base (the side opposite the vertex). This line containing the opposite side is called the extended base of the altitude.