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Classic napkin ring problem
Author:
Judah L Schwartz
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GeoGebra
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New Resources
Getting to Know GeoGebra
Chapter-38-1-1: normal vectors
Reciprocal Function
Frieze Mat
G_9.07 Similarity in solid figures
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Puzzle-Box Champion (3)
Distance from a point to a line
Area of Quadrilateral
Vermenigvuldiging van Breuke
Hyperboloid
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Triangles
Logarithm
Trapezoid
Real Numbers
Constructions