Proving Trapezoids

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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. Graph Quadrilateral ABCD with vertices A(-2,1), B(3,3), C(5,1), and D(-5,-3) (.ggb)
     
  2. Graph Quadrilateral ABCD with vertices A(-2,3), B(1,2), C(2,0), and D(-4,2) (.ggb)