## Problem of the Week 1006## A Matchstick PuzzleIt is easy to use 12 matches to make a polygon of area 5: Can you use 12 matches to make a polygon of area 4? To make it more interesting, each vertex of the polygon must be at a point with integer coordinates (where the matches have unit length). Note: It must be a true polygon, with no crossings. © Copyright 2004 Stan Wagon. Reproduced with permission. |

23 March 2004