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Demonstrations 21 - 40 of 494
Sylvester's Four-Point Problem
Dissection of a Spherical Square into Two Spherical Regular Pentagons
Dissection of Three Regular Spherical Pentagons into Five Equilateral Spherical Triangles
Mapping Sierpinski Triangles onto Polyhedra
Gailiunas's Spiral Tilings
Constructing a Regular Heptagon Using Gleason's Method
Catching a Point within a Teragon
Constructing a Regular Heptagon Using Plemelj's Method
Constructing a Regular Heptagon Using Lill's Method
Constructing a Regular Heptadecagon (17-gon) with Ruler and Compass
Constructing a Square with Sticks of Equal Length
Rotating Square Tilings
Outer Billiards on Regular Polygons
Sum of the Squares of the Sides of a Projected Regular Tetrahedron
Roulette (Hypotrochogon) of a Polygon Rolling inside a Circle
Constructing a Rectangle with the Same Area as a Pentagon
Dissection of a Square to a Parallelogram with the Same Base
Tarski's Adaptation of Wojtowicz's Argument on Optimal Dissection of a Unit Square
Op Art Motifs on Quadrilaterals
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