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Kürschák's Dodecagon

József Kürschák proved that a dodecagon (a regular 12 -sided polygon) inscribed in the unit circle has area 3. He split the dodecagon into triangles and moved one quarter of them to complete three unit squares.

Drag all the controls to the right to move the triangles.

Contributed by: Sándor Kabai and Ferenc Holló Szabó
Additional contributions by: Ralf Schaper

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For more information, follow this link about József Kürschák.

Dodecagon (Wolfram MathWorld)

Kurschák's Tile (Wolfram MathWorld)

Kurschák's Dodecagon (Wolfram MathWorld)

"Kürschák's Dodecagon" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/KurschaksDodecagon/

Contributed by: Sándor Kabai and Ferenc Holló Szabó

Additional contributions by: Ralf Schaper

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