I think Its 6.............
        
             
        
        
        
1. 3 foot
2. 4 yard
3. 1 yard
4. 4 foot
5. 6 foot
6. 108 inch
7. 7.5 foot
8. 66 inch
9. 216 inch
10. 36 foot
11. 3.75 foot
12. 30 yard
        
             
        
        
        
Answer:
30m
Step-by-step explanation:
51-21=30 that is the length of the long piece 
 
        
             
        
        
        
Step-by-step explanation:
hi I have answered ur question 
 
        
             
        
        
        
Answer:
A and B are the remaining angles because of course a triangle always adds up to 180 degrees so you subtract 125.5 from 180 and get 54.25, then you look for the teo angles that when added together total 54.25 and you have your angle then using your three angles you calculate your area to be 772.04
Step-by-step explanation: