Quadrilaterals and "n"-gons - Sum of Its Interior Angles

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• Offline Activity (.zip)

• GeoGebra Files

  1. Quadrilaterals - Sum of Angles (.ggb)
     
  2. Use this for the instructions that follow. (.ggb)
     
  3. Consider the quadrilateral below that I constructed from two triangles. (.ggb)
     
  4. CLOSING (.ggb)