For any triangle, you can draw a circle that fits perfectly inside (the incircle) and also one that connects all its...

For any triangle, you can draw a circle that fits perfectly inside (the incircle) and also one that connects all its corners (the circumcircle). This shows the path of the centre of the incircle, as a triangle is shuffled around its circumcircle.

Credit:
http://blog.matthen.com/

#mathematics   #geometry   #animation