3:28

Beautiful visualization | Sum of first n Hex numbers = n^3 | animation

1:39

Arithmetic mean vs Geometric mean | inequality among means | visual proof

3:40

Cavalieri's Principle in 3D | Volume of a sphere |

2:14

Sum of n squares | explained visually |

4:06

Cutting a Möbius strip in half (and more) | Animated Topology |

7:20

The Fermat Point of a Triangle | Geometric construction + Proof |

2:08

Pythagorean theorem | 3 Visual Proofs |

6:34

A fun probability puzzle with a neat geometric solution.