Devide a cube into pyramids
In the opposite way we can devide a cube into three equal pyramids.
Let s be the length of the side of the cube. For the volume V of the pyramid we find:
| 3. V | = s³ |
| V = | 1/3 . s³ |
| V = | 1/3 . s² . s |
| V = | 1/3 areabase . heigth |