2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

3. 1. Which of the remaining quadrilaterals have 1 pair of parallel sides? Trapezoids Remove them from your stack. 2. 4. 5. 9. 10. 13. 15. 16. 7. 8. 1. 1. 7. 8. 11. 11.

4. 4. Which of the remaining quadrilaterals have 2 sets of parallel sides? Parallelograms 2. 4. 5. 9. 10. 13. 15. 16. 2. 4. 5. 9. 10. 13. 15. 16.

5. 5. Which of the parallelograms have 4 right angles? Rectangles 2. 4. 5. 9. 10. 13. 15. 16. 4. 5. 10. 15.

6. 6. Which of the rectangles have 4 congruent sides? Squares 4. 5. 10. 15. 5. 15.

7. 7. Collect all of the parallelograms. Which of the parallelograms have 4 congruent sides? Rhombi 2. 4. 5. 9. 10. 13. 15. 16. 5. 9. 15. 16.

8. 8-3 Tests for Parallelograms How do you know if you have one?

9. Yes Yes No Yes Do you have enough information to decide if it is a parallelogram? 6 6

10. Do you have enough information? No Yes Yes Yes 50° 130°

11. 8-4 Special Quadrilaterals RECTANGLES SQUARES RHOMBI

12. Special Parallelograms RHOMBUS RECTANGLE SQUARE

13. PQRS is a rhombus P Q R S

14. PQRS is a rectangle