[size=200][b]Draw a triangle called "T"[/b][/size][br][br][color=#000000]With GeoGebra you can draw polygons by clicking the position of the vertices, but to inform GeoGebra that you have finished the polygon, you must click on the first point.[/color][br][br][color=#9900ff]1st. Activate the "Polygon" tool.[icon]/images/ggb/toolbar/mode_polygon.png[/icon].[/color][br][br][color=#9900ff]2nd. Click on three non-aligned points in the Graphics View and then click again on the first point. The points "A", "B", "C", the segments "a", "b", "c" and the polygon will appear.[/color][br][br][color=#9900ff]3rd Activate the "Move" tool [icon]/images/ggb/toolbar/mode_move.png[/icon]. Right-click inside the triangle to open the Context Menu and name it "T".[/color][br][br][color=#000000]The two curved arrows located in the upper right corner of the Graphics View allow you to reset the activity.[/color][br][color=#000000]If the activity is correct, you will get 10 points automatically.[/color]