A thread from the Geometry Forum newsgroup archive
Incircle Radius & Hero(n)'s Formula
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- Radius of the incircle puzzle by Jim Swift on 03/09/94.
- Radius of the incircle by Annie Fetter on 03/10/94.
- Re: Incircle radius by Jim Swift on 03/10/94.
- Heron's Formula by William P. Berlinghoff on 03/10/94.
- Hero(n)'s formula by Bob Hayden on 03/18/94.
- Re: Hero(n)'s formula by John Conway on 03/18/94.
- 3D Heron's formula? by Richard Myhill on 11/16/94.
- Re: 3D Heron's formula? by John Conway on 11/15/94.
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