Freese's Dissection of a Regular Dodecagon into Three Congruent Squares
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This Demonstration shows Freese's dissection of a regular dodecagon into three congruent squares.
Contributed by: Izidor Hafner (May 2018)
Open content licensed under CC BY-NC-SA
The photo is from [1, plate 114].
 G. N. Frederickson, Ernest Irving Freese's Geometric Transformations: The Man, the Manuscript, the Magnificent Dissections!, New Jersey: World Scientific, 2018.