1. The rule, which gives the number of matchsticks required to make the matchstick pattern L, is

2. The rule, which gives the number of matchsticks required to make the matchstick pattern C, is

3. The rule, which gives the number of matchsticks required to make the matchstick pattern F, is

4. The rule, which gives the number of matchsticks required to make the matchstick pattern U, is

5. The rule, which gives the number of matchsticks required to make the matchstick pattern V, is

6. The rule, which gives the number of matchsticks required to make the matchstick pattern A, is

7. The rule, which gives the number of matchsticks required to make the matchstick pattern [], is

8. The rule, which gives the number of matchsticks required to make the matchstick pattern ≅, is

9. The rule, which gives the number of matchsticks required to make the matchstick pattern E. is

10. The rule, which gives the number of matchsticks required to make the matchstick pattern A, is