1. Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line P Step1 Rule a line Mark a point near the line (about 4cm away is fine) Leave some space on either side of the line Click to start Home

2. Perpendicular Line from a Point A Compass point Set your compass to reach over the line so the arc will cut twice Aim: Construct a line at 90º through a point near a line P Step1Home

3. Perpendicular Line from a Point Compass point Set your compass to reach over the line so the arc will cut twice Aim: Construct a line at 90º through a point near a line P Step1Home

4. Perpendicular Line from a Point Compass point Aim: Construct a line at 90º through a point near a line P Move your compass to one side Step1Home

5. Perpendicular Line from a Point Compass point Aim: Construct a line at 90º through a point near a line P Step1Home

6. Perpendicular Line from a Point Compass point Aim: Construct a line at 90º through a point near a line P Step1Home

7. Perpendicular Line from a Point Compass point Aim: Construct a line at 90º through a point near a line P Step1Home

8. Perpendicular Line from a Point B Aim: Construct a line at 90º through a point near a line P Step1Step2Home

9. P Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Keep the compass the same Step1Step2Home

10. P Perpendicular Line from a Point Compass point Arc into space each side of the line Aim: Construct a line at 90º through a point near a line Keep the compass the same Step1Step2Home

11. P Perpendicular Line from a Point Compass point Arc into space each side of the line Aim: Construct a line at 90º through a point near a line Keep the compass the same Step1Step2Home

12. P Perpendicular Line from a Point Compass point Arc into space each side of the line Aim: Construct a line at 90º through a point near a line Step1Step2Home

13. P Perpendicular Line from a Point Compass point Arc into space each side of the line Aim: Construct a line at 90º through a point near a line Step1Step2Home

14. P Perpendicular Line from a Point Compass point Arc into space each side of the line Aim: Construct a line at 90º through a point near a line Step1Step2Home

15. P Perpendicular Line from a Point C Compass point Arc into space each side of the line Keep the compass the same Aim: Construct a line at 90º through a point near a line Step1Step2Step3Home

16. P Perpendicular Line from a Point Compass point Arc into space each side of the line Keep the compass the same Aim: Construct a line at 90º through a point near a line Step1Step2Step3Home

17. P Perpendicular Line from a Point Compass point Arc into space each side of the line Keep the compass the same Aim: Construct a line at 90º through a point near a line Step1Step2Step3Home

18. P Perpendicular Line from a Point Compass point Arc into space each side of the line Aim: Construct a line at 90º through a point near a line Step1Step2Step3Home

19. P Perpendicular Line from a Point D With this point Use a ruler to join this point Aim: Construct a line at 90º through a point near a line Step1Step2Step3Home

20. P Perpendicular Line from a Point This should be 90º 90º Perpendicular Line Step1Step2Step3 The End Aim: Construct a line at 90º through a point near a line Home