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Penrose twins
Author:
Edgardo Alandete
GeoGebra
New Resources
"Compressed" Astroid as Envelope
Rotating Points (Optical Illusion)
Bottema's Theorem
Teorema Japonês para quadriláteros inscritos em uma circunferência
Pelecoid
Discover Resources
len0
Scientific Notation
Baseball Field
PositionVelocityPlot
classifying by angles given sides
Discover Topics
Fractions
Median Line
Scatter Plot
Division
Parallelogram