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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 | 
           
            
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           | Date | 
           20 April 2007 (original upload date) | 
          
          
           | Source | 
           Transferred from  en.wikipedia; transferred to Commons by  User:Adrignola using  CommonsHelper. | 
          
          
           | Author | 
            Geometer at  en.wikipedia | 
          
          
           Permission ( Reusing this file) | 
           
             Released as {{ GFDL}} by uploader, but it is ineligible for copyright (see below) 
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          This graph image could be recreated using  vector graphics as an  SVG file. This has several advantages; see  Commons:Media for cleanup for more information. If an SVG form of this image is already available, please upload it. After uploading an SVG, replace this template with {{ vector version available|new image name.svg}}. | 
         
        
        Licensing 
        
         
          | Public domainPublic domainfalsefalse | 
         
        
        
         
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          This image of  simple geometry is ineligible for  copyright and therefore in the  public domain, because it consists entirely of information that is common property and contains no original authorship. 
           
            
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
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