[size=200][b]Draw the centre point of a regular polygon.[/b][/size][br][br][color=#000000]GeoGebra has many commands, but few have a tool to use them. For this reason, GeoGebra provides a writing area called "[b]Input Bar[/b]". Once you have typed the command, you must press the "[b]Enter ↩[/b]" key. When you write the first three letters of the command, GeoGebra provides a list of names to avoid writing mistakes.[/color][br][br][color=#9900ff]1st. Enter the first three letters of the [color=#000000][b]Q=Cen[/b][/color] command and at the end of the list you will see [color=#000000][b]Centroid( [code]<[/code]Polygon[code]>[/code])[/b][/color]. Click on this option and then enter the name [color=#000000][b]P[/b][/color] into the brackets, replacing the expression. The command will remain in the form [color=#000000][b]Q=Centroid(P)[/b][/color]. Then press the "[color=#000000][b]Enter ↩[/b][/color]" key to validate the entry.[/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]