Un article trouvé pour ce sujet.
|
|
|
|
|
|
|
|
A three legged stool |
2001-06-27 |
|
Teri pose la question : I wanted to know why a three legged stool is always steady, and why a four legged stool is not. I am wanting to know the mathematical reasoning behind this. Walter Whiteley lui répond. |
|
|
|