1. Rhombus

2. Properties of a Rhombus: A B C D All properties of a parallelogram All sides are congruent (equilateral) The diagonals are perpendicular The diagonals bisect the angles

3. A B C D E Since the diagonals of a rhonmbus are perpendicular, what kind of triangles are formed? Right triangles Therefore we can use what theorem? Pythagorean Theorem Legs Hypotenuse Leg Hypotenuse

4. Page 12

7. A B CD Remember: The diagonals bisect the angles!!! Page 12

8. A B C D

9. A B C D Page 14

10. A B C D E

11. A B C D

14. Homework Page 13 #1-7 Page 14 #3,5

15. Page 13

17. R S T V

20. A B C D

22. Page 14

23. A B C D E 5