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Demonstrations 1  20 of 524
Nets for Cowley's Dodecarhombus
2. Mazes on Polyhedral Nets
Matching Faces in Two Polyhedron Nets
FourColor Maps
Path Nets for Dodecahedron and Icosahedron
A Construction of the Square Root of Seven
Franklin's Point Inclusion in Polygon (PNPOLY) Algorithm
Freese's Dissection of a Regular Dodecagon into 12
Polygons on n Vertices
Pappus's Hexagons
Freese's Dissection of a Regular Hexagon into Seven Hexagons
Inscribed Triangles in Polygons
Right Pyramid Volume and Surface Area
Freese's Dissection of a Regular Dodecagon into Six Squares
2. Ambiguous Rings Based on a Polygon
Total Areas of Alternating Subtriangles in a Regular Polygon with 2n Sides
Sum of the Squares of the Sides of a Projected Regular Tetrahedron
Polyhedron Faces Identification
The Sum of Opposite Angles of a Quadrilateral in a Circle is 180 Degrees
Four Kinds of Rhombic Polyhedra
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