The Sum of the Interior Angles of a Pentagon

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• Offline Activity (.zip)

• GeoGebra Files

  1. ABCDE is a Regular Pentagon (.ggb)
     
  2. Applet 2 (.ggb)
     
  3. Use the polygon tool and angle tool to determine if pentagons on a soccer ball are regular or not (.ggb)
     
  4. Applet 4 (.ggb)
     
  5. Applet 5 (.ggb)