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Cabri Geometry ¡B Cabri 3D |
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| 9¤ë13¤é | µÇŦ½u |
| 9¤ë20¤é | Simson Line Wallace Line Orthopole Pole Polar Rotating Ellipses |
| 9¤ë27¤é |
Conics
defined by four tangents and one point |
| 10¤ë4¤é | Conics Constructions |
| 10¤ë11¤é | Perstective Triangles |
| 10¤ë18¤é |
Homological Triangles Three Circles on a Sphere |
| 11¤ë1¤é |
Steinmetz Solid Ribbon Ice Cream Rotating Cube Villarceaux Circle |
| 11¤ë8¤é |
Elliptic Cross Section Knot Equilateral Triangle Torus |
| 11¤ë15¤é | Coaxal Circles on Sphere |
| 11¤ë29¤é |
Buckyball Constructed as a Convex Hull of
12 Parallel Pentagons Buckyball Constructed from Icosidodecahedron Duality Between Dodecahedron and Icosahedron Constructing Dodecahedron from Icosahedron Constructing Icosahedron from Dodecahedron Intersection of Five Octahedra |
| 12¤ë6¤é | ²y±¤Wªº¶ê°é |
| 12¤ë20¤é | Unmotivated Constructions |
| 12¤ë27¤é | |
| 1¤ë3¤é | Convex Hull |
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