Which of the following best describes the altitude of a triangle? A. A segment perpendicular to a side of the triangle B. A segment that passes through the midpoint and is perpendicular to a side of

Which of the following best describes the altitude of a triangle?

A. A segment perpendicular to a side of the triangle

B. A segment that passes through the midpoint and is perpendicular to a side of a triangle.

C. A segment drawn from the vertex to the midpoint of the opposite side.

D. A segment drawn from the vertex perpendicular to the line containing the opposite side.