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Polygons
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Demonstrations 81  100 of 525
Dissection of a Spherical Square into a Spherical Lune
Dissection of a Spherical Triangle into a Square
Roulette (Hypotrochogon) of a Circle Rolling inside a Regular Polygon
Dissection and Reassembly of Parallelogram of Given Base and Altitude
Roulette (Hypotrochogon) of a Polygon Rolling inside Another Polygon
Roulette (Epitrochogon) of a Regular Polygon Rolling around Another Regular Polygon
Roulette (Epitrochogon) of a Disk Rolling around a Regular Polygon
Rolling a Polygon on a Circle
Factory for Fractiles of Order Four
Two Equidecomposable Triangles
SwingandTwist Hinged Dissection of One Regular Heptagon into Seven
Regular Spherical Polygons
Tracing a Cyclogon: Roulette of a Polygon Rolling along a Line
Fate of the Euler Line and the NinePoint Circle on the Sphere
SwingandTwist Hinged Dissection of One Regular Heptagon into Eight
Dissection of an Octagram into Five Octagrams
Hinged Dissection of a Regular Heptagon into Eight Smaller Ones
Hinged Dissection of a Hexagram into Seven Smaller Ones
Dissection of a Regular Dodecagon into Six Smaller Ones
Dissection of an Dodecagram into Three Dodecagrams
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