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Spinning color wheel
Author:
Christian Mercat
A wheel is divided in sectors of 3 colors, red, green and blue. Then it spins. At the right speed, the colors somehow disappear.
GeoGebra
New Resources
Ellipse as Envelope - Correspondence Method
Pelecoid
Bottema's Theorem
Piano. Keyboard.
History of Maths - Work in progress
Discover Resources
Integration intro graph 3
Incenter
Rainbow Heart
Электромагнитная индукция
Peri cir
Discover Topics
Median Line
LCM and GCD
Upper and Lower Sum or Riemann Sum
Cylinder
Symmetry