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GeoGebra
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Author:
Melissa Hertel
Follow the instructions for Steps 1-7.
GeoGebra
New Resources
"Compressed" Astroid as Envelope
Ellipse as Envelope - Correspondence Method
van Aubel's Theorem
Rotating Points (Optical Illusion)
Pelecoid
Discover Resources
Investigation 3.6
Sal's sandwich shop
incenter_Lucas
Square 4 petal flower
syps_選擇合適的中間人 (14 May 2018)
Discover Topics
Polygons
Special Points
Tangent Line or Tangent
Vectors
Combinatorics