http://normd.com/wp Writing about art, technology, food, and other benefits of being human Thu, 16 Feb 2012 04:39:15 +0000 en hourly 1 http://wordpress.org/?v=3.3.2 http://normd.com/wp/2010/05/congruent-triangles/?utm_source=rss&utm_medium=rss&utm_campaign=congruent-triangles http://normd.com/wp/2010/05/congruent-triangles/#comments Sat, 22 May 2010 06:15:26 +0000 normd http://normd.com/wp/?p=419 I had never heard of the Cornwells before finding this gem of a film on archive.org, but I am glad I know about their work now. The film shown below is from 1977, and does a good job of explaining congruent triangles. It is a bit slow at first, but the last 90 seconds really are beautiful. It is like Leger or Seurat had an opportunity to make a film for your high school geometry class.

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