Open the file "Input_1.ggb"

1. Type the following text verbatim in the "Input Bar"
   • c=Polygon[A,B,a]
2. Right Click the slider a in the Graphics View and select "Animation On"
   • Use the navigation button at the lower left corner of the Graphics View to manipulate the slider.
3. Right Click polygon p then select Object Properties" to change the color and style of the object
4. Change the color and font size of the text
   • Area of polygon ...
5. Select "View" and activate "Construction Protocol"
   • What are your observations?
6. Save the current file as "Activity_1.ggb"