a geometry problem inspired by Japanese Sangaku
13:41
a famous geometry problem
13:48
Simple yet 5000 years missed ?
9:11
Sangaku: Japanese "Sacred Geometry"
10:34
find the missing angle!!
9:46
Can you solve these geometry problems?
16:02
Le Brachistochrone, avec Steven Strogatz
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Best Fails of the Year | Try Not to Laugh 😆🎉
20:39