Triangle Centers Tools
- John Golden
In addition to showing the triangle centers, this sketch has tools to find them for any set of three points. So it's a toolbox, really. The sketch was also useful for creating activeprompt questions. See the blogpost for more info: http://bit.ly/1gQTPbU Which center is which? (Some fool left them unlabeled.) Which centers can occur outside the triangles? When does that happen? When do which centers occur at the same point?
More GeoGebra at mathhombre.blogspot.com.