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[S2] a revised version of Jane’s GeoGebra file (modified by the author)
Author:
Chan Yip-Cheung
GeoGebra
New Resources
Open Education 2026
Parallel lines, Transversals and Segments
The Coordinate Plane (Cartesian Plane)
apec
Untitled
Discover Resources
Triangles between parallel lines have same area
forlinda2
Visual proof of Pythagoras (Larger)
angry bird 4
U1S1: Activity #2: Pythagorean Theorem Intro
Circle: Area
Discover Topics
Tangent Line or Tangent
Plane Figures or Shapes
Trigonometry
Constructions
Complex Numbers