a geometry problem inspired by Japanese Sangaku
15:17
a non-standard irrationality proof
9:46
Can you solve these geometry problems?
13:09
math professor explains viral square root problem
1:28:11
Class Meeting 27 - MAT201
13:41
a famous geometry problem
9:11
Sangaku: Japanese "Sacred Geometry"
13:48
Simple yet 5000 years missed ?
11:27