12 x 11

(a)  

12 x 4

(a)  

5 x 4

(a)  

13 x 3

(a)  

8 x 9

(a)  

9 x 6

(a)  

15 x 3

(a)  

2 x 35

(a)  

11 x 10

(a)  

14 x 5

(a)  

8 x 6

(a)  

13 x 5

(a)  

12 x 7

(a)  

12 x11

(a)  

12x8

(a)  

9 x 11

(a)  

12 x 9

(a)