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Geometry
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Demonstrations 61  80 of 2729
The Hairy Ball Theorem
Galactohedra
Normalized CBasis and CCurves
Ratios of the Areas of an Internal Hexagon to Its Star to the External Hexagon
Generating a BSpline Curve by the CoxDe Boor Algorithm
Seven Touching Cylinders Puzzle
Calculating the Area of a Country Using Green's Theorem
Rhombic 210hedron
Orthogonal Projection of a Solid of Constant Width
Angle of Intersection for Equiangular Spirals
PythagoreanHodograph Quintic Curves
Enlargement in Two Dimensions
The Ellipse Problem of Steinhaus
Approximating Polar Area with Sectors
Lissajouslike Kolam
Triangle Altitude
Horgan Minimal NonSurface
Infinite Magic Elliptic Curves
Intrinsic 3D Curves
Calendar on Dodecahedron
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