1. A regular tessellation uses one regular polygon.

2. Regular Tesselation

3. Regular Tessellation

4. Tessellations can only be made with angles that combine to 360

5. Regular pentagons do not tessellate

6. Regular heptagons do not tessellate

7. Semi-regular tessellations contain two or more regular polygons.

8. Semi-regular

9. semi-regular

10. semi-regular

11. Uniform contains the same combination of shapes and angles at each vertex.

12. This tessellation is uniform and
semi-regular

13. Semi-regular and uniform

14. This tessellation is not uniform.

15. Semi-regular but not uniform

16. Semi-regular but not uniform

17. Many tessellations are not regular.

18. Not regular or uniform

19. Not regular but uniform

21. Herat mosque, Afghanistan

22. Mashad, Iran