Why 1/3 in Volume of Cone?
8:27
Why 1/3 in Volume of Frustum
39:50
General Proof: Why Volume of Pyramid is 1/3 of Volume of Prism (no Calculus)
7:10
Why is the volume of a cone 1/3*pi*r^2*h? Here's a proof with the disc method! Calculus basics
15:51
Mas por que a área da superfície de uma esfera é quatro vezes maior que a sua sombra?
8:42
How to find the Volume under the surface of a Cone using double integration
8:56
Why is the lateral area of a cone is pi*r*sqrt(r^2+h^2)?
8:43
Volume of Pyramid: why 1/3 in the formula
7:21