Geometry · Triangles & Congruence

Median of a Triangle

HSG-CO.C.10

Definition

A segment from a vertex to the midpoint of the opposite side.

Examples

  • A median joins vertex A to midpoint M of the opposite side BC.
  • Every triangle has exactly three medians, one from each vertex.

Key rule

A median always connects a vertex to the midpoint of the opposite side.

Memory hook

Vertex to the midpoint of the far side.