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GeoGebra
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Author:
Jaap van Kampen
New Resources
Ellipse as Envelope - Correspondence Method
Witch of Agnesi - A Classical Construction
Pelecoid
Ellipse, Hyperbola and Circle as Envelopes
Introduction
Discover Resources
Discovering Pythagoras' theorem and its converse
Pythagoras Area Theorem
Homework: Rotations
Honors Geometry
Row, Column, and Matrix Views
Discover Topics
Planes
Poisson Distribution
Statistics
Unit Circle
Ratios