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Polygons
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Demonstrations 1  20 of 526
Constructions with Paper Folding
New this month
1. Nets for Cowley's Dodecarhombus
Nonplanar Rectangular Heptagons
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
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