HOW TO FIND ALL POSSIBLE SAND HEAPS ?



( For a convex polygonal plate )



THE FORMULA OF A SAND HEAP

53443 means that the sand heap has sides wich are successively :

1 pentagone

1 triangle

2 quadrilaterals

1 triangle

 

 

 

 

The number of possible sand heaps increases with the number of sides.




A METHOD IN ORDER TO FIND ALL SAND HEAPS




THE TRUNK PROCESS












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