Keywords: Aire anneau developpement fibre neutre dm.svg en Area of a ring calculated by the development at the neutral fiber fr Aire d'un anneau calculé par développement à la fibre neutre 2011-10-24 Aire_anneau_developpement_fibre_neutre svg 2011-12-15 07 55 UTC Aire_anneau_developpement_fibre_neutre svg Cdang derivative work Cdang <span class signature-talk >talk</span> Dfn neutral fiber diameter -> Dm middle diameter cdang Aire_anneau_developpement_fibre_neutre svg Cc-zero Original upload log This image is a derivative work of the following images File Aire_anneau_developpement_fibre_neutre svg licensed with Cc-zero 2011-10-24T08 15 11Z Cdang 714x177 101986 Bytes <nowiki></nowiki> Uploaded with derivativeFX Bending Circle area Rings geometry |