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ILLUSIONS 3
Author:
Dimitris Mirogiannis
The third set of illusions...
GeoGebra
New Resources
Droste effect
Art and Rotational Symmetry
Periodic Functions
Exploring Simple Loci 探究簡單軌跡
Rings of circles
Discover Resources
The sum of the angles in a triangle
Two similar triangles
Start, Bisect an angle
Measurement of roatation
Issues on Automated Reasoning Tools
Discover Topics
Parabola
Constructions
Quadrilaterals
Addition
Variance