[size=200][b]Draw the bisector "b" from the "α" angle[/b][/size][br][br][color=#000000]The bisector is the line that divides the angle into two equal parts.[/color][br][br][color=#9900ff]1st. Activate the "Bisector" tool [icon]/images/ggb/toolbar/mode_angularbisector.png[/icon].[/color][br][br][color=#9900ff]2nd. Click on three points in order to define the rays and do not forget that the second click must be on the vertex.[/color][br][br][color=#9900ff]3rd Name the bisector "b".Two intersecting lines define 4 angles, therefore they have two bisectors. If you click on the rays, the "Bisector" tool [icon]/images/ggb/toolbar/mode_angularbisector.png[/icon] interprets them as lines and shows two bisectors.[/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]