1. Warm-Up

2. Types of Quadrilaterals (4-sided figures)

3. A four sided figure with both pairs of opposite sides parallel
Parallelograms
A four sided figure with both pairs of opposite sides parallel

4. Some Special Properties of Parallelograms
Opposite sides are congruent
Diagonals bisect each other
Both pairs of opposite sides are parallel

5. 1. Solve for x.

6. 2. Solve for x.

7. A parallelogram with 4 right angles
Rectangle
A parallelogram with 4 right angles

8. Some Special Properties of Rectangles
All the properties of a parallelogram
Diagonals are congruent
4 right angles

9. A parallelogram with 4 congruent sides
Rhombus
A parallelogram with 4 congruent sides

10. Some Special Properties of Rhombus
All the properties of a parallelogram
Diagonals are perpendicular
4 congruent sides

11. 3. Solve for x in this rhombus.

12. Rhombus VY = mZVY = Z

13. A parallelogram with 4 congruent sides & 4 right angles
Square
A parallelogram with 4 congruent sides & 4 right angles

14. Some Special Properties of Square
All the properties of a parallelogram, rectangle, & rhombus

15. Solve for x and y in this square.

16. Square 1. EJ = 2. HF = 4. mEJF 5. mHGF

17. Kite
A quadrilateral with 2 pairs of consecutive congruent sides, but opposites sides are NOT parallel

18. Some Special Properties of Kite
Diagonals are perpendicular

19. Solve for x in the kite.

20. A quadrilateral with 1 pair of parallel sides called bases
Trapezoid
A quadrilateral with 1 pair of parallel sides called bases

21. Have only one pair of opposite sides that are parallel.
Trapezoids
Have only one pair of opposite sides that are parallel.
base
leg

22. Isosceles Trapezoid
A quadrilateral with 1 pair of parallel sides called bases and non-parallel sides are congruent (legs)

23. Some Special Properties of Isosceles Trapezoid
Diagonals are congruent

24. Classwork
Properties Checklist

25. Parallelograms Homework Worksheet