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GeoGebra
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GeoGebra
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Sixes
Author:
Steve Phelps
GeoGebra
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Angles and Intersecting Lines: Quick Investigation
Construct a Square
"Compressed" Astroid as Envelope
Bottema's Theorem
Discover Resources
poly2D3D
Arithmetic: Skills & Concepts
Banked Track
Quadrado Raiz
Opposite angles cyclic quad
Discover Topics
Natural Numbers
Histogram
Mathematics
Kite
Real Numbers