Why 1/3 in Volume of Frustum
![](https://i.ytimg.com/vi/J5_QXAYWHxs/mqdefault.jpg)
8:43
Volume of Pyramid: why 1/3 in the formula
![](https://i.ytimg.com/vi/9YypvVUlUG4/mqdefault.jpg)
9:52
Why 1/3 in Volume of Cone?
![](https://i.ytimg.com/vi/drpxZ1aztWE/mqdefault.jpg)
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
![](https://i.ytimg.com/vi/GNcFjFmqEc8/mqdefault.jpg)
15:51
Mas por que a área da superfície de uma esfera é quatro vezes maior que a sua sombra?
![](https://i.ytimg.com/vi/xTMpPFDC4bU/mqdefault.jpg)
4:38
Volume of a pyramid
![](https://i.ytimg.com/vi/xTNQ5-KyZ74/mqdefault.jpg)
7:36
Another method of finding volume of a Frustum
![](https://i.ytimg.com/vi/6LIdMVAAXDY/mqdefault.jpg)
12:30
M405 02 160 Truncated Pyramid Formula
![](https://i.ytimg.com/vi/JQD__LQTrYA/mqdefault.jpg)
7:44