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Text File  |  1992-10-12  |  738 b   |  20 lines
  1. Newsgroups: sci.math
  2. Path: sparky!uunet!snorkelwacker.mit.edu!galois!riesz!jbaez
  3. From: jbaez@riesz.mit.edu (John C. Baez)
  4. Subject: Re: Area of five sided polygon needed
  5. Message-ID: <1992Oct13.030526.22048@galois.mit.edu>
  6. Sender: news@galois.mit.edu
  7. Nntp-Posting-Host: riesz
  8. Organization: MIT Department of Mathematics, Cambridge, MA
  9. References: <1992Oct12.200125.826@altair.selu.edu>
  10. Date: Tue, 13 Oct 92 03:05:26 GMT
  11. Lines: 7
  12.  
  13. In article <1992Oct12.200125.826@altair.selu.edu> fcs$1224@altair.selu.edu writes:
  14. >Given a five sided polygon, is there a formula, in terms
  15. >of its sides, for the area?
  16.  
  17. Clearly not, because the lengths of the sides don't determine the
  18. area.  Pentagons are "floppy."  So are quadrilaterals, for that matter.
  19.  
  20.