How do acrobats use the center of mass to balance? How is the center of mass related to the three medians of a triangle?
Centroid of a Triangle - The point where the three medians of the triangle intersect. The ‘center of gravity’ of the triangle
Read more here ... http://www.mathopenref.com/trianglecenters.html
How to Balance a Triangle using a Centroid
Triangle Centroid By Folding
Constructing the Centroid of a Triangle
Patty paper centroid