A Pleasant Arrangement of Rectangles
Inspired by #mathart from Geometry Daily #425. http://geometrydaily.tumblr.com/post/48773482635/425-level-a-new-minimal-geometric-composition
There's quite a pleasant relationship among similar rectangles.
The tool allows you to draw a similar rectangle with the corners of one side and a desired ratio.
More GeoGebra at mathhombre.blogspot.com