a 2500 year old geometry problem.
![](https://i.ytimg.com/vi/-99OUa-KPns/mqdefault.jpg)
6:21
What are the side lengths of this triangle??
![](https://i.ytimg.com/vi/ke68ujLun3M/mqdefault.jpg)
15:44
Half of a deathly area...
![](https://i.ytimg.com/vi/WV_5xFy9loE/mqdefault.jpg)
15:26
a look at the future...
![](https://i.ytimg.com/vi/1uEgvF5Xfe4/mqdefault.jpg)
4:55
Lune Of Hippocrates - Famous Ancient Math Problem
![](https://i.ytimg.com/vi/_yYZZ4HAdXs/mqdefault.jpg)
13:08
Did I make this too hard?
![](https://i.ytimg.com/vi/YtkIWDE36qU/mqdefault.jpg)
16:13
This pattern breaks, but for a good reason | Moser's circle problem
![](https://i.ytimg.com/vi/gUckWRK6GBo/mqdefault.jpg)
8:22
A quick geometry problem.
![](https://i.ytimg.com/vi/BO2yMdU0Rq4/mqdefault.jpg)
3:36