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Freese's Dissection of a Regular Dodecagon into an Isosceles Right Triangle
This Demonstration shows Freese's dissection of a regular dodecagon into an isosceles right triangle.
Contributed by:
Izidor Hafner
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The photo is from [1, p. 149].
Reference
[1] G. N. Frederickson,
Ernest Irving Freese's Geometric Transformations: The Man, the Manuscript, the Magnificent Dissections!
, New Jersey: World Scientific, 2018.
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Freese's Dissection of Four Equilateral Triangles into One
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Freese's Dissection of a Dodecagram into a Hexagram
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Freese's Dissection of a Regular Hexagon into Two Congruent Regular Hexagons
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Dissecting a Hexagon into Four Smaller Hexagons
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Dissecting a Regular Hexagon into Five Congruent Regular Hexagons
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PERMANENT CITATION
Izidor Hafner
"
Freese's Dissection of a Regular Dodecagon into an Isosceles Right Triangle
"
http://demonstrations.wolfram.com/FreesesDissectionOfARegularDodecagonIntoAnIsoscelesRightTria/
Wolfram Demonstrations Project
Published: April 3, 2018
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