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GeoGebra
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Tangent line illustration
Author:
Ying-Ju Chen
New Resources
angle bisector construction
Act 3
Line and plane 3
Rose's Gerrymandering Fractal
Winter Solstice
Discover Resources
Tessellation2
start, create right isosceles triangle
減法練習(小二)
test1
Roations
Discover Topics
Intersection
Cosine
Centroid or Barycenter
Complex Numbers
Triangles