Need some more info, what are the dimensions of the bricks?
        
             
        
        
        
If this is a 30, 60, 90 triangle, which I think it is, it would b 4
        
             
        
        
        
Answer:
You answered it correctly :)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
look it up  its the same as the equation
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1.6 < x < 9.6
Step-by-step explanation:
The smallest the third side can be is greater than the difference of the other two sides
x > 5.6 -4 
x > 1.6 
The largest the third side can be is  less than the sum of the other two sides
x < 5.6 +4 
x < 9.6 
1.6 < x < 9.6