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Plane Geometry
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Demonstrations 141  160 of 1229
Hinged Dissection of a Regular Heptagon into Eight Smaller Ones
Hinged Dissection of a Hexagram into Seven Smaller Ones
Dissection of a Regular Dodecagon into Six Smaller Ones
Dissection of an Dodecagram into Three Dodecagrams
Dissection of a Regular Dodecagon into Three
Dissection of One Hexagram into Seven
Ford Circles with Variable Radii
Area of a Quadrilateral within a Triangle
Op Art with Polygon Spirals
Recursive Similar Triangles
Rhomboidal Stars
Watt's Lemniscoidal Linkage
Freese's Dissection of a Hexagram into Three Congruent Hexagrams
Freese's Dissection of a Dodecagram into a Hexagram
Construction for Three Vectors with Sum Zero
Cunningham's Simply Connected Kakeya Set
OneHalf the Apothem Times the Perimeter
Rolling a Polygon on Another Polygon
Rolling a Regular Polygon on the Unit Circle
Frederickson's Dissection of a Regular Dodecagon into Two Congruent Regular Dodecagons
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