1. Classifications Bowen’s Class

2. Quadrilateral Any four sided polygon Any four sided polygon

3. Parallelogram Both pairs of opposite sides are parallel Both pairs of opposite sides are parallel Both pairs of opposite sides are congruent Both pairs of opposite sides are congruent Both pairs of opposite angles are congruent Both pairs of opposite angles are congruent

4. Rectangle Both pairs of opposite sides are parallel Both pairs of opposite sides are parallel Both pairs of opposite sides are congruent Both pairs of opposite sides are congruent Has four right angles Has four right angles

5. Square Both pairs of opposite sides are parallel Both pairs of opposite sides are parallel Both pairs of opposite sides are congruent Both pairs of opposite sides are congruent All sides are congruent All sides are congruent Has four right angles Has four right angles

6. Rhombus Both pairs of opposite sides are parallel Both pairs of opposite sides are parallel Both pairs of opposite sides are congruent Both pairs of opposite sides are congruent All sides are congruent All sides are congruent

7. Trapezoid Exactly one pair of opposite sides are parallel Exactly one pair of opposite sides are parallel

8. Polygons A closed figure with 3 or more sides A closed figure with 3 or more sides

9. Triangle A 3-sided polygon A 3-sided polygon The sum of all angles = 180 degrees The sum of all angles = 180 degrees

10. Quadrilateral A 4-sided polygon A 4-sided polygon

11. Pentagon A 5-sided polygon A 5-sided polygon

12. Hexagon A 6-sided polygon A 6-sided polygon

13. Heptagon A 7-sided polygon A 7-sided polygon

14. Octagon An 8-sided polygon An 8-sided polygon

15. Nonagon A 9-sided polygon A 9-sided polygon

16. Decagon A 10-sided polygon A 10-sided polygon

17. Polygons