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GeoGebra
GeoGebra Classroom
Outline
How to get formula
Area of Circles
Tangent-zoom
How to get formula
Author:
Betty Voon Wan Niu
Area of Circles
Tangent-zoom
Next
Area of Circles
New Resources
Ellipse, Hyperbola and Circle as Envelopes
van Aubel's Theorem
Cross Product in 2D and 3D
Witch of Agnesi - A Classical Construction
Spinning cube - Belt Trick
Discover Resources
Triangle pyramid
Centroid
Example Worksheet Yo
day 85
tangent example
Discover Topics
Unit Circle
Orthocenter
Straight Lines
Geometric Distribution
Quadrilaterals