1. Homework Discussion Read pages 383 – 388 Page 394: 7, 21 – 24, 27 – 29, 35-45, 47,

2. 36. A B C C A B A B C A B C

3. 38

4. 23. 28. A B C D E A’ B’ C’ D’ E’

5. FIGURE 11-22

6. pattern - An infinite shape made-up of one or more infinitely repeating themes is called a pattern. Patterns (page 388)

7. border pattern - In a one-dimensional pattern there is a theme (motif) that repeats itself in one direction. One-dimensional patterns are called border patterns. Patterns border patterns

8. Translations - Every border pattern has one basic translation symmetry - always in the same direction as the pattern. … … …

9. … Z Z Z Z Z Z …

10. FIGURE 11-25 Border patterns with (a) no glide reflection symmetry, and (b) with basic glide reflection symmetry.

11. … x x x x x x …

12. ...

14. Read pages 388 – 391 Page 400: 49 – 52, 72