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

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

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

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

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

9. quadrilateral 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?

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

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

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

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

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

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