3,392,818 views
11 years ago
1,140,416 views
6 years ago
1,352,401 views
4 years ago
2,227,334 views
10 years ago
Show more
2,375,453 views
40,799
0
Numberphile
4.49M subscribers
Tags
squaring circle
square
circle
pi
numberphile
3000 Comments