2 x 22

(a)  

5 x 33

(a)  

9 x 10

(a)  

8 x 20

(a)  

4 x 50

(a)  

8 x 42

(a)  

3 x 52

(a)  

4 x 72

(a)  

7 x 77

(a)  

5 x 55

(a)  

4 x 44

(a)