The Fermat Point of a Triangle | Geometric construction + Proof |
7:51
Spherical Geometry: Deriving The Formula For The Area Of A Spherical Triangle
7:34
Every Polygon can be Triangulated Into Exactly n-2 Triangles | Proof by Induction
32:54
Ptolemy’s Theorem and the Almagest: we just found the best visual proof in 2000 years
16:18
Not Knot
23:38
Conceptualizing the Christoffel Symbols: An Adventure in Curvilinear Coordinates
6:34
A fun probability puzzle with a neat geometric solution.
19:07
Why is the determinant like that?
6:11