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 [...]
Links Of Some Interest
- Scott Greene: Painter of Shock, Awe Exquisite Oil on Canvas
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