Note that the measurements of the side of the squares are the same.
Area = base x height 
Area = length x width
The area given is 400
Root 400 to get the length of the sides
√400 = 20
20 in. is your side measurement
hope this helps
 
        
             
        
        
        
 Y=(x+1/2)^2-13/4 is the answer to this question.
        
             
        
        
        
It is 39..................................
        
                    
             
        
        
        
Answer:4.2%
Step-by-step explanation: it’s what delta math told me the answer was
 
        
             
        
        
        
The answer is 22.976
I hope this helps