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Concave Triangle Formula

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  1. Concave Triangle Formula by John Erickson on 11/01/96.
  2. Re: Concave Triangle Formula by Paul EveryHope on 11/01/96.
  3. Re: Concave Triangle Formula by Alan Lipp on 11/02/96.
  4. Re: Concave Triangle Formula by John Conway on 11/12/96.

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12/02/96