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GeoGebra
New Resources
"Compressed" Astroid as Envelope
Ellipse, Hyperbola and Circle as Envelopes
Stairs (Optical Illusion)
Cross Product in 2D and 3D
Spinning cube - Belt Trick
Discover Resources
MG Nine-Point Circle
Lasers!
g-srt.a.2.2 mapping 2
Number tiles
The angle between a tangent and a radius in a circle is 90°
Discover Topics
Real Numbers
Optimization Problems
Ellipse
Median Value
Tangent Line or Tangent