1. Quadrilaterals and other Polygons
Chapter 7
Section 7.4

2. Objective
The students will learn to classify polygons and special quadrilaterals.

3. Vocabulary Quadrilateral – 4 sided figure Pentagon – 5 sided figure
Hexagon – 6 sided figure
Octagon – 8 sided figure
Decagon – 10 sided figure
Regular Polygon – a polygon with all sides congruent
Irregular Polygon – a polygon with sides that are not all congruent

4. Special parallelograms
Vocabulary
Trapezoid – is a quadrilateral with exactly one pair of parallel sides
Parallelogram – is a quadrilateral with both pairs of opposite sides parallel
Special parallelograms
Rectangle – four right angles
Rhombus – four congruent sides
Square – four congruent sides and four right angles

5. Example

6. Example

7. Questions?

8. Exit Ticket

9. Worksheet