1. Constructions
with scale and compass

2. drawing an arc
center
radius

3. drawing an arc spiky end of compass pencil end of compass
You have to draw with the compass
spread this much apart

4. bisecting a line segmentP R A B Q

5. perpendicular from external point 1B Q R

6. perpendicular from external point 2
Went out! A B C D X Q

7. perpendicular from internal point 1Q C P D A B

8. perpendicular from internal point 2Q E D
Went out! P C A B

9. perpendicular from internal point 3Q
Not working!! Y C P D B A X

10. bisecting an angle 1 C Q D B A P

11. bisecting an angle 2 C D Q B A P