The problem of finding in how many ways a Plane convex Polygon of sides can be divided into Triangles by diagonals. Euler first proposed it to Christian Goldbach in 1751, and the solution is the Catalan Number .

**References**

Guy, R. K. ``Dissecting a Polygon Into Triangles.'' *Bull. Malayan Math. Soc.* **5**, 57-60, 1958.

© 1996-9

1999-05-25