A11. The "Perpendicular Bisector" tool
Draw the perpendicular bisector "m" of segment "s"
1st. Activate the "Perpendicular bisector" tool 
and click on segment "s"
2nd. Name the perpendicular bisector "m".
The two curved arrows located in the upper right corner of the Graphics View allow you to reset the activity.
If the activity is correct, you will get 10 points automatically.
and click on segment "s"
2nd. Name the perpendicular bisector "m".
The two curved arrows located in the upper right corner of the Graphics View allow you to reset the activity.
If the activity is correct, you will get 10 points automatically.