WOLFRAM|DEMONSTRATIONS PROJECT

The Medians of a Triangle Are Concurrent: A Visual Proof

​
step
1
2
3
4
5
A median is the line from the midpoint of a side of a triangle to the opposite vertex. A formal proof is given for the concurrence of the medians in a triangle in a point. That point is called the centroid or barycenter; it is the center of mass of the triangle.