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GeoGebra Geometry

Author:Timothy J Celenza

New Resources

Shells
Reflection = 180° Rotation about a Line
Pitfalls of Disk/Washer Method
Reflection across a line
Circle Passing Through 3 Points

Discover Resources

Demo for iPad: Visualisation of Fraction Multiplication
Train Wheel Cycloid
Triangle Dilations
Area of circle -- dissection
linear

Discover Topics

Symmetry
Polygons
Functions
Exponent
Continuity

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