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GeoGebra
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GeoGebra with the tools of the ancient Greeks
Author:
Mrs Riddle
The ancient Greeks did their geometry with just a compass and straight-edge! (I've given you some measuring tools as well, so you can verify your constructions.)
GeoGebra
New Resources
Rotating Points (Optical Illusion)
Angles and Intersecting Lines: Quick Investigation
van Aubel's Theorem
Isosceles Triangle: Quick Construction
Ellipse, Hyperbola and Circle as Envelopes
Discover Resources
Repressilator
Line of Best Fit
Tangent Ratio
TriánguloABc
e...
Discover Topics
Expected Value
Curve Sketching
Polygons
Similar Triangles
Dilation