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Recreational Mathematics
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Demonstrations 1  20 of 1254
Three Interpenetrating Golden Bricks
Two Stellations of the Rhombic Triacontahedron
Japanese Theorem for Three Tangent Circles and a Triangle
Nonogram from Photo
Theobald's HeptagontoHexagon Dissection
Exact Trilinear Coordinates and the Euler Line
Exact Trilinear Coordinates and the Brocard Axis
Hamiltonian Path on a Polyhedral Net
Simultaneous Diophantine Equations for Powers 1, 2, 4 and 6
Two Ways to Fold a Net into a Triangular Dipyramid
A FourPower Diophantine Equation
Rotation Symmetries of Prisms
Cubes on a Rhombic Hexecontahedron
Icosidodecahedron as a Common Element
Fifteen Great Circles on a Sphere
Cluster of 30 Cubes
Magic Hexagon
A Vertex Distance Relation for Two Triangles
Rational Cyclic Polygons
Seven Points with Integral Distances
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