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Recreational Mathematics
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Demonstrations 301  320 of 1325
The Golden Ratio in Arrangements of Octahedron, Cube, Tetrahedron, and Sphere
Angel Puzzle
3D Billiard Loop in a Rectangular Box
Mazes on a Cone, Including Its Base
Mazes on a Cube Given by Six Views
Mazes on a Torus
Mazes on Polyhedra Seen from Two Viewpoints
Mazes on Polyhedra Maps
Mazes on Various Surfaces
Paths of Balls Bouncing Off Pegs
Four Kinds of Rhombic Polyhedra
Icosahedron Towers
Bed of Nails
Projection of Earth on Polyhedra
Stairs from Cube
Box Packing
A Geometric Proof of the Square Pyramidal Number Formula
Slicing an Indented Sphere
Cellular Automaton Fonts
Euler's Polyhedral Formula
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