[list=1][*][size=100]Use the [i]Navigation Bar[/i] in the figure below to review the construction process of tangents to a circle.[br][/size][/*][*][size=100]Try to create this construction on your own using the DIY-applet.[/size][/*][*][size=100]Write down a construction protocol and explain every construction step.[/size][/*][/list]

[size=100][list][*]Which [i]Tools[/i] did you use in order to recreate the construction?[br][/*][*]Were there any new [i]Tools [/i]involved in the suggested construction steps? If yes, how did you find out how to operate the new [i]Tool[/i]?[br][/*][*]Did you notice anything about the [i]Toolbar [/i]displayed in the DIY-applet?[br][/*][*]Do you think your students could work with such a Dynamic Worksheet and find out about construction steps on their own?[/*][/list][/size]