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Polygons
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Demonstrations 1  20 of 472
Sum of the Squares of the Sides of a Projected Regular Tetrahedron
New this month
Roulette (Hypotrochogon) of a Polygon Rolling inside a Circle
New this month
Constructing a Rectangle with the Same Area as a Pentagon
Dissection of a Square to a Parallelogram with the Same Base
Tarski's Adaptation of Wojtowicz's Argument on Optimal Dissection of a Unit Square
Op Art Motifs on Quadrilaterals
Ammann Tiling A1
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
Dissection of Three Regular Spherical Pentagons into Five Equilateral Spherical Triangles
SwingandTwist Hinged Dissection of One Regular Heptagon into Seven
Regular Spherical Polygons
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