1. Do Now: Back to Basics :-) Solve for x

2. Chapter 6 - Quadrilaterals Parallelograms, Rectangles, Squares, Rhombuses (Rhombi), and, Trapezoids

3. 6-1 Parallelograms Objective: 1. Recognize and define a parallelogram. 2. Use properties of parallelograms

4. Quadrilateral: A polygon with four sides Examples: “Non”examples:

5. Diagonal: Line segment that connects two nonconsecutive vertices Examples:

6. Parallelogram: a quadrilateral whose opposite sides are parallel. A few terms: Opposite Sides: Opposite Angles: Consecutive Angles:

7. Property #1: opposite sides of a parallelogram are congruent

8. Property #2: opposite angles of a parallelogram are congruent

9. Property #3: All consecutive angles are supplementary

10. Property #4: The diagonals of a parallelogram bisect each other.

11. Ex. 1: Decide if the sketch is a parallelogram

12. Ex. 2: Fill in the blanks. ZORT is a parallelogram.

13. Ex. 3: Solve for the given variables.

14. Ex. 4: Solve for the given variables.

15. Homework WS 6-1A #1-21 Called 6.2A on Worksheet, but matches to 6-1 in text book.