1. Special Quadrilaterals
L.E.Q. What are the special properties of all the different types of quadrilaterals?

2. A quadrilateral has four sides.

3. Parallelogram
Parallelograms have opposite parallel sides

4. Everyday Parallelograms

5. Rhombus
A parallelogram with 4 congruent sides

6. Everyday Rhombus

7. Rectangles
Parallelogram where all angles are right angles.

8. Everyday Rectangles

9. Square Squares have 4 equal sides and 4 right angles.
Squares are regular polygons

10. Everyday Squares

11. Kites
Kites have 2 pairs of consecutive congruent sides.

12. Everyday Kites

13. Trapezoid
Trapezoids have one set of parallel sides.

14. Isosceles Trapezoid
A trapezoid whose pair of non-parallel sides are congruent.

15. Everyday Trapezoids

16. Example 1: Classifying a Quadrilateral
Judging by appearance, classify DEFG in as many ways as possible.

17. Example 2: Classifying by Coordinate Methods.
Determine the most precise name for quadrilateral LMNP.

18. Example 3: Using the properties of special quadrilaterals.
Find the values of the variables for the kite.

19. Homework:
Pgs #s 1 – 26 even.