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Recreational Mathematics
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Demonstrations 721  740 of 1030
Turning a Punctured Torus Inside Out (Variation)
Light on an Impossible Object
Square Spiral for a Given Number of Divisors
Arc Length of Cycloid
FaultFree Tilings
Two Hinged Dissections
The Locker Problem
Patterns from Elliptic Integrals
WaterPouring Problem
The 2(64,8,1) Design
Two Solids Made from Golden Rhombic Solids
Recursively Defined Partial Tilings of the Plane
Ammann Tiles
Dissection of a Cube into Five Polyhedra
Voronoi Kaleidoscope
Hacker's Symbol: The Glider in the Game of Life
Frog Jumping Problem
Dissecting a Regular Triangle into Three Similar Tiles
Broken Heart Tangram (Variation)
A Polygon That Folds into a Regular Tetrahedron or into a Rectangular Box
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