This image is a derivative work of the following images: File:Pythagoras_similar_triangles.svg licensed with PD-shape 2012-04-10T12:17:44Z Gauravjuvekar 811x660...
This image is a derivative work of the following images: File:Pythagoras_similar_triangles.PNG licensed with Cc-by-sa-3.0, GFDL 2010-05-05T04:59:48Z Brews...
