17 Views· 18 August 2023
Proof Without Words: The Circle
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Prove πR² using only beads and a ruler!
I first saw this proof in an article by Russell Jay Hendel, Dowling College: http://bit.ly/LQlwQw
minutephysics is now on Google+ - http://bit.ly/qzEwc6
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Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!
Music by Nathaniel Schroeder
Thanks to Nima Doroud for contributions and to Perimeter Institute for support.
http://www.perimeterinstitute.ca Created by Henry Reich
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