We can find the length of the sides now by dividing 56 by 4, which gives us 19.  Subtracting 5 from 19 gives us our answer of 14 feet.
        
             
        
        
        
Answer:
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Step-by-step explanation:
 
        
             
        
        
        
Answer:
1. x = 13
2. x=17
3. y= 34
Step-by-step explanation:
 
        
             
        
        
        
Common solution for each problem:
let
1st point=(x1,y1)
&,
2nd point=(x2,y2),then,
distance between 1st and 2nd point is:
√[(x2-x1)²+(y2-y1)²]
Just replace these x2,y2,x1,y1 with given points and you will get required answer..