Keywords: Pappus Chain Theorem.svg en Illustration of Pappus Chain Theorem Pappos png 2008-08-21 07 10 UTC derivative work Pbroks13 <span class signature-talk >talk</span> Pappos png Fvlamoen Redrawn to SVG format Pbroks13 Pappos png </nowiki> Uploaded with derivativeFX Pappus chain |