Proof Without Words: The Circle
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07.07.11 – 3 491 0121:09Опубликовано 29 мая 2012, 19:17
Prove πR² using only beads and a ruler!
I first saw this proof in an article by Russell Jay Hendel, Dowling College: bit.ly/LQlwQw
minutephysics is now on Google+ - 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.
perimeterinstitute.ca Created by Henry Reich
I first saw this proof in an article by Russell Jay Hendel, Dowling College: bit.ly/LQlwQw
minutephysics is now on Google+ - bit.ly/qzEwc6
And facebook - facebook.com/minutephysics
And twitter - @minutephysics
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.
perimeterinstitute.ca Created by Henry Reich
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