Tau versus Pi

Added: July 11, 2011 (over 2 years ago) share on facebookshare on twitter

Duration (16:22) Views: 101,457 by Khan Academy Category: Education

Likes: 765 Dislikes: 23

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Video Description

More free lessons at: http://www.khanacademy.org/video?v=1jDDfkKKgmc
Why Tau might be a better number to look at than Pi

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