Answer:
19
Step-by-step explanation:
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21
 
        
                    
             
        
        
        
There is no difficulty in this problem until you construct the figures. How can we do it is shown in the attached picture. After drawing PRST, from the point P, we can draw PMKD and later we can complete PMCT as a result. From this picture, we can see that the side of PMCT is also a. Then, the area of this square is 
 
 
        
        
        
Answer: 140
Step-by-step explanation:
n calculate 
 
        
             
        
        
        
Answer:
Step-by-step explanation:
 -16-16v - v = 10v + 4
Add 16 to both sides and combine like terms giving you 
15v = 10v + 20 
Subtract 10v from both sides 
5v= 20 
Divide by 5 
V=4