license: This image is a derivative work of the following images: File:Basic right triangle.svg licensed with Cc-zero 2015-01-25T03:07:08Z Douglaspperkins 800x600...
license: This image is a derivative work of the following images: File:Basic right triangle.svg licensed with Cc-zero 2015-01-25T03:07:08Z Douglaspperkins 800x600...