What theorem is dynamically being illustrated in the applet below? [br][br]Feel free to adjust the size and shape of the [color=#9900ff][b]triangle [/b][/color]by moving the [b][color=#6aa84f]green slider[/color][/b] and any one (or more) of its vertices. [br][br]
For more information, see this [url=https://twitter.com/gogeometry/status/848224241044652032]tweet[/url] from [url=https://twitter.com/gogeometry]Antonio Gutierrez[/url].