In Geometry, we are learning about circumcenters, orthocenters, and centroids of triangles. Geogebra is a nice tool to use to explore how the medians, perpendicular bisectors, and altitudes are concurrent respectively, regardless of the shape of the triangle. Here is a screenshot of the centroid, which is the intersection of the medians of a triangle: […]

https://fractad.wordpress.com/2015/10/30/a-balancing-act/