1. Constructing specific quads
with scale and compass

2. drawing an arc
center
radius 2

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

4. quadrilateral 1
4th side
3rd side
diagonal
1st side
2nd side

5. quadrilateral 1
What lengths of sides make it impossible to draw a quad?
Why?

6. quadrilateral 2 1st side 1st diagonal 4th side 2nd side 2nd diagonal
3rd side

7. quadrilateral 2
What lengths of sides and diagonals make it impossible to draw a quad?
Why?

8. quadrilateral 3 3rd side 4th side 2nd side angle = given angle
1st side

9. quadrilateral 3
What length of 3rd and 4th sides make it impossible to draw a quad?
Why?

10. quadrilateral 4 3rd side 1st angle 2nd angle 2nd side 4th side
1st side

11. quadrilateral 4 Why? What type of quad is this?
Will you always get this type?
Which pair of angles make it impossible to draw a quad?
Why?

12. quadrilateral 5
3rd angle
2nd side
1st angle
1st side
2nd angle

13. quadrilateral 5
Which three angles make it impossible to draw a quad?
Why?

14. parallelogram side opposite 1st side 2nd side side opposite 2nd side
angle = given angle
1st side

15. What angle makes it impossible to draw a parallelogram?
Why?

16. rectangle side opposite 1st side 2nd side side opposite 2nd side
right angle
1st side

17. rhombus 1 side opposite 1st side 2nd side side opposite 2nd side
angle = given angle
1st side

18. What angle makes it impossible to draw a rhombus?
Why?

19. rhombus 2 1st diagonal 4th side 3rd side 1st side 2nd side
2nd diagonal

20. square side opposite 1st side 2nd side side opposite 2nd side
right angle
1st side