Reflection across y=x

What do you want to download?

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

I agree to the terms of GeoGebra's non-commercial license

• Offline Activity (.zip)

• GeoGebra Files

  1. Click and drag the blue dot to see it's reflection across the line y=x (the green dot). Pay attention to the coordinates. How are they related to each other? (.ggb)