[size=200][b]Calculate the distance between Sant Josep tower and Tabarca lighthouse[/b][/size][br][br][color=#000000]GeoGebra allows you to calculate distances using segments. The map of Tabarca Island is represented in the Graphics View and the units are in meters.[/color][br][br][color=#9900ff]1st. Activate the "Point" tool [icon]/images/ggb/toolbar/mode_point.png[/icon] and mark Sant Josep Tower.[/color][br][br][color=#9900ff]2nd. In the previous activities, you were explained how to name objects. With the "Move" tool [icon]/images/ggb/toolbar/mode_move.png[/icon] activated and from the context menu, name the tower point "T".[/color][br][br][color=#9900ff]3rd. Activate the "Point" tool [icon]/images/ggb/toolbar/mode_point.png[/icon] and mark Tabarca lighthouse.[/color][br][br][color=#9900ff]4th. Activate the "Move" tool [icon]/images/ggb/toolbar/mode_move.png[/icon] and name the lighthouse point "F".[/color][br][br][color=#9900ff]5th. Activate the "Segment" tool [icon]/images/ggb/toolbar/mode_segment.png[/icon] and click on "T" and "F" points.[/color][br][br][color=#9900ff]6th. Activate the "Move" tool [icon]/images/ggb/toolbar/mode_move.png[/icon] and name the segment "d".[/color][br][br][color=#9900ff]7th. Activate the "Distance or Length" tool [icon]/images/ggb/toolbar/mode_distance.png[/icon], click on the segment. You will see the distance in meters.[/color][br][br][color=#000000]The last Toolbox contains the following tools: "Move Graphics View" [icon]/images/ggb/toolbar/mode_translateview.png[/icon], "Zoom in" [icon]/images/ggb/toolbar/mode_zoomin.png[/icon], "Zoom out" [icon]/images/ggb/toolbar/mode_zoomout.png[/icon] and "Delete" [icon]/images/ggb/toolbar/mode_delete.png[/icon] to remove objects. You can zoom in and zoom out and move the points to improve distance measurement.[/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]