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High School Mathematics
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Demonstrations 21  40 of 1101
Total Areas of Alternating Subtriangles in a Regular Polygon with 2n Sides
Eigenvectors in 2D
Volumes of Revolution Using Cylindrical Shells
The Sum of Opposite Angles of a Quadrilateral in a Circle is 180 Degrees
Exact Values for Sine and Cosine
Stairs from Cube
Simple ThreeLetter Cube
Graphs of Random Permutations
Carbon Dating
Visible and Invisible Intersections in the Cartesian Plane
Cone, Tent, and Cylinder
Euler's Polyhedral Formula
Cylinder Hemisphere Cone
Series: Steps on a Number Line
Interior and Exterior Angles of Regular Polygons
Morphing Cartesian to Polar Coordinates
Folding an Octahedron from Squares
Fractal Tetrahedron
Diagonals of Polyhedra
Polyhedron Dual
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