Area of a Regular Dodecagon | Proofs without Words Levels 1 to 4
0:42
What’s the area?
6:46
Beautiful Geometry behind Geometric Series (8 dissection visual proofs without words) #math #series
4:14
Three Geometric Series in an Equilateral Triangle (visual proof without words)
2:03
100 SUB SPECIAL
3:25
Five Classic Proofs without Words
4:28
Our Sunrise
27:26
This open problem taught me what topology is
5:37