Geometric dissections on the web

A geometric dissection is a cutting of one or more figures into pieces that can be rearranged to form other figures. Dissections are often cast as puzzles, in which the object is to use as few pieces as possible. These geometrical puzzles fall under the category of mathematical recreations. Some dissections are relatively simple; others are deceptively simple, employing elegant approaches. A number of dissections can be found on the web:

Maintained by Greg Frederickson,
If you know of any dissection pages that I have missed, please send me email.

Last updated October 15, 2018.