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optical illusion
Author:
andrewoconnor
GeoGebra
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Pelecoid
van Aubel's Theorem
Bottema's Theorem
"Compressed" Astroid as Envelope
Discover Resources
Function Machine 1
poly.figs
Rotating square的副本
An almost-theorem in a regular 10-gon
Images 2. Truncated icosahedron (V=60) from Biscribed Pentakis Dodecahedron for the case of trisection of its 3rd-order segments
Discover Topics
Exponent
Circumcircle or Circumscribed Circle
Logic
Constructions
Polynomial Functions