Creating and Sharing in iOS

Creating and sharing GeoGebra resources in an iOS environment (iPad & iPhone) is easy. The video below helps show how it was done.
  • The construction below was created in GeoGebra Geometry app on iPhone & was saved to iPhone.
  • This activity page was created in Safari on iPhone.
  • The construction in the Geometry app below was uploaded to to Safari on iPhone during this activity page's creation.

How to do it

Dashed line is the perpendicular bisector of segment CD (not shown). Move D around the circle. What do you notice?

How would you describe the locus of point E here?

Why is this?