Copy of Triangles

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You can either download the .ggb file alone or the complete webpage for students with tasks.

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• Offline Activity (.zip)

• GeoGebra Files

  1. Applet 1 (.ggb)
     
  2. Acute Triangle: Drag Point B. How many angles are acute? (.ggb)
     
  3. Obtuse Triangle: How many angles are obtuse in an obtuse triangle? (.ggb)
     
  4. Right Triangle: How many angles are RIGHT angles? (.ggb)