G4G9 Exchange Book
We have noticed a certain kind of n-gon dissection into triangles that has a wonderful property of interest to most puzzlists. Namely that any two triangles have at least one edge in common yet no two triangles need be congruent. In an informal poll of specialists at a recent convention, none of them saw immediately how this could be accomplished. But in fact it is very straightforward.
This is an electronic copy of a paper originally appearing in the G4G9 Exchange Book. Archived with permission. The author(s) reserves all rights.
Farrell, Jeremiah and Moscovich, Ivan, "Some Curious Cut-Ups" G4G9 Exchange Book / (2009): -.
Available at http://digitalcommons.butler.edu/facsch_papers/912