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            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
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           | Description | 
           IntersectingPlanes.png 2 planes intersect along a line  part 2 of three illustrating  en:secret sharing  This version has added emphasis of the line  created in  en:Lightwave by  stib 
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           | Date | 
           2005-03-15 (first version); 2005-03-15 (last version) | 
          
          
           | Source | 
           Originally from  en.wikipedia; description page is/was  here. | 
          
          
           | Author | 
           Original uploader was  Stib at  en.wikipedia | 
          
          
           Permission ( Reusing this file) | 
           
             Released under the  GNU Free Documentation License. 
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         Licensing 
        
         
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          Permission is granted to copy, distribute and/or modify this document under the terms of the  GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.  Subject to  disclaimers.www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue 
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
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