The Fermat Point of a Triangle | Geometric construction + Proof |
![](https://i.ytimg.com/vi/Y8VgvoEx7HY/mqdefault.jpg)
7:51
Spherical Geometry: Deriving The Formula For The Area Of A Spherical Triangle
![](https://i.ytimg.com/vi/rr1fzjvqztY/mqdefault.jpg)
32:54
Ptolemy’s Theorem and the Almagest: we just found the best visual proof in 2000 years
![](https://i.ytimg.com/vi/0hYL9KEW9n0/mqdefault.jpg)
9:46
Can you solve these geometry problems?
![](https://i.ytimg.com/vi/2x4ioToqe_c/mqdefault.jpg)
7:34
Every Polygon can be Triangulated Into Exactly n-2 Triangles | Proof by Induction
![](https://i.ytimg.com/vi/czY7sp5c_Xs/mqdefault.jpg)
9:53
La conjecture de Poincaré | Voyages au pays des maths | ARTE
![](https://i.ytimg.com/vi/Ij01HGgxnkA/mqdefault.jpg)
4:46
Pierre de Fermat: Biography of a Great Thinker
![](https://i.ytimg.com/vi/_-3idRlPttY/mqdefault.jpg)
6:34
A fun probability puzzle with a neat geometric solution.
![](https://i.ytimg.com/vi/RncJRrivlYI/mqdefault.jpg)
10:42