3 items are filed under this topic.
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    An irregular quadrilateral | 
  2009-10-29 | 
  
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  From riya: what is irregular quadrilateral? Answered by Penny Nom. | 
  
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    A regular quadrilateral | 
  2007-03-13 | 
  
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  From Jackie: How can the measure of each angle of a regular quadrilateral be determined? Answered by Haley Ess. | 
  
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    An irregular quadrilateral | 
  2006-02-04 | 
  
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  From Christopher: Is there such a shape as an irregular quadrilateral with 4 equal sides? Answered by Penny Nom. | 
  
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