Ângulos internos e externos de um triângulo

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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. Applet 2 (.ggb)
     
  3. Applet 3 (.ggb)
     
  4. Soma dos ângulos externos do triângulo (.ggb)