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Author:
michael mattison
New Resources
Bottema's Theorem
Rotating Points (Optical Illusion)
van Aubel's Theorem
Spinning cube - Belt Trick
Stairs (Optical Illusion)
Discover Resources
parallelogram area
Practicing with Transformations
Star Polygons with Turtle
Quadratic Equation Graph
Копие на Light in GeoGebra (2)
Discover Topics
Matrices
Geometry
Multiplication
Symmetry
Perimeter