File:Tangrams convex silhouettes.svg

Summary
The thirteen convex tangrams shown as silhouettes. 4 hexagons 3 trapezoids 2 right trapezoids 1 w:isosceles trapezoid 2 pentagons 1 parallelogram 1 rectangle 1 square 1 right triangle Date: 23 December 2009 Source: Own work Author: Onmywaybackhome - I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.