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Polygons
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Demonstrations 441 - 460 of 593
A Polygon from Its Midpoints
Rolling Polygons
Crisscrossing a Polygon
Regular n-Gons as Polygons and Stars
Approximating Pi with Inscribed Non-Regular Polygons
Triangle-Closed Planar Sets
Sum of Exterior Angles of a Polygon
A Hybrid Benz-Grignani Logo
Perfect Tilings
Area of a Pentagon
Area of a Quadrilateral by Triangulation
Lindgren's Hinged Dissection of Quadrilaterals
Hinged Dissections of a Hexagram and a Hexagon
Napoleon's and van Aubel's Theorems
Inversion of an Array of Cubes
Taylor's Hinged Dissection of One Parallelogram into Another
Macaulay's Triangle and Trapezoid Hinged Dissection
Two Hinged Dissections of a Gnomon to a Square
Two Hinged Dissections of a Greek Cross to a Square
Equivalence of Three Catalan Number Interpretations
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