RigidPolygon Command
From GeoGebra Manual
- RigidPolygon[ <Polygon> ]
- Creates a copy of any polygon that can only be translated by dragging its first vertex and rotated by dragging its second vertex.
- RigidPolygon[ <Polygon>, <Offset x>, <Offset y> ]
- Creates a copy of any polygon with the given offset that can only be translated by dragging its first vertex and rotated by dragging its second vertex.
- RigidPolygon[ <Free Point>, ..., <Free Point> ]
- Creates polygon whose shape cannot be changed. This polygon can be translated by dragging its first vertex and rotated by dragging its second vertex.
Note: The copy will join in every change of the original polygon. If you want to change the shape of the copy, you have to change the original.