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High School Geometry
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Demonstrations 1  20 of 309
Volume of Cones, Pyramids, and Spheres
Reflecting a Lattice of Points
Pythagorean Theorem 3D
Rhombic Triacontahedron Built on a Cube
Nets of Polyhedra
Cross Sections of Regular Polyhedra
Morley's Theorem
The Statue of Regiomontanus
Triangle Centroid
Rotating a Lattice of Points
Difference of Cubes
Cube Net
Total Areas of Alternating Subtriangles in a Regular Polygon with 2n Sides
The Sum of Opposite Angles of a Quadrilateral in a Circle is 180 Degrees
Stairs from Cube
Simple ThreeLetter Cube
Cone, Tent, and Cylinder
Euler's Polyhedral Formula
Cylinder Hemisphere Cone
Interior and Exterior Angles of Regular Polygons
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