Proof for Volume of a Sphere (without Calculus)
15:51
Mais pourquoi la surface d’une sphère est-elle quatre fois supérieure à son ombre ?
32:23
Why are the formulas for the sphere so weird? (major upgrade of Archimedes' greatest discoveries)
15:47
How Archimedes First Deduced the Volume of a Sphere
9:52
Why 1/3 in Volume of Cone?
7:51
Spherical Geometry: Deriving The Formula For The Area Of A Spherical Triangle
8:22
How to Derive The Volume? Hard Geometry Problem
13:41
Proving the volume and the surface area of a sphere by using integrals
4:14