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GeoGebra
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Triangles
Author:
Mark Holtebeck
GeoGebra
New Resources
Isosceles Triangle: Quick Construction
Rotating Points (Optical Illusion)
van Aubel's Theorem
Piano. Keyboard.
Bottema's Theorem
Discover Resources
true/rotate-by-minus-180-degrees.ggb
Arc Length
Reflections game
Happy Face
การต่อรูป
Discover Topics
Ratios
Geometry
Exponential Functions
Equilateral Triangles
Secant Line or Secant