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Geometry
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Demonstrations 241 - 260 of 3914
The Sum of the Trilinear Coordinates of a Point
Relating Trilinear and Tripolar Coordinates for a Triangle
Rotation Symmetries of Antiprisms
Mapping a 3D Point to a 2D Triangle
Centroid of an Arbitrary Hexagon
A Diagonal Inequality
Symmetries of the Octahedron
Symmetries of the Dodecahedron
Rational Rectangles
Tilted Helicoid
Cycloid from a Rolling Ellipse
Thomsen's Figure
Intersection of Three Polygonal Cylindrical Surfaces
Dissecting Two Bilinski Dodecahedra into a Cube
Regular Polygons of Edge Length Two
Arithmetic Mean, Geometric Mean, Root Mean Square and Harmonic Mean for Two Numbers
Fourier Series Approximations to Roots of Unity
Folding Cosine in the Complex Plane
Projected Area of a Cuboid
Ruler and Compass Construction of a Square with Doubled Area
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