How many degrees are inside of a circle? This sounds like a simple question, until you think about it carefully... Timothy Gowers Twitter Follow up Euclid definition Kalendereinteilung im Grab des Senenmut (TT353); astronomical ceiling in the tomb of Senenmut (TT353) : Circle divided into 360 days. Lamassu Design Gurdjieff, CC BY-SA 3.0 via Wikimedia Commons : 21 Homographs That'll Make Your Facebook Friends Scratch Their Heads Subscribe: Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If y
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