Name _________________________

10.4 Classifying Polygons

Determine whether or not each image is a polygon. If yes, write “polygon”, if no, write “not a polygon.”  Give an explanation for your answer.

1. 

2. 

3. 

4. 

5. 

6. 

7. 

Look at each image and name the type of polygon pictured.

8. 

9. 

10. 

11. 

12. 

13. 

Name the number of diagonals in each polygon.

14. 

15. 

16. 

Use the formula to find the sum of the interior angles of each polygon.

17. Hexagon

18. Nonagon

19. Decagon

20. Pentagon