As QR is the median of trapezoid MOPN,

Option D is the answer
 
        
                    
             
        
        
        
Answer: 51
Step-by-step explanation: (sqrt(2))^2 + 7^2
The squareroot and square cancel, leaving 2. 7^2=7*7=49
49+2=51
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Area is the width (6/7 yd) multiplied by the height (1 yd).
6/7 x 1 = 6/7 
 
        
                    
             
        
        
        
Answer:
b.
Step-by-step explanation:
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