[size=200][b]Reflect the cat over an axis[/b][/size][br][br][color=#008000]A reflection transports the points of an image to the other part of the axis, perpendicularly and at the same distance.[/color][br][br][color=#9900ff]1st. Activate the "Line" tool [icon]/images/ggb/toolbar/mode_join.png[/icon].[/color][br][br][color=#9900ff]2nd. Click on two places in the Graphics View, not on the cat. The points "A", "B" and the line "f" appear.[/color][br][br][color=#9900ff]3rd. Activate the "Reflect Object in Line" tool [icon]/images/ggb/toolbar/mode_mirroratline.png[/icon].[/color][br][br][color=#9900ff]4th. First click on the cat and then on the line "f". You will get the cat reflected.[/color][br][br][color=#000000]Activate the "Move" tool [icon]/images/ggb/toolbar/mode_move.png[/icon] and move the points, the line and the original cat.[/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]