Answer: 
Step-by-step explanation:
If we draw RP and PS, then in the quadrilateral formed, we know that  , and since angles in a quadrilateral add to 360 degrees, this means
, and since angles in a quadrilateral add to 360 degrees, this means  .
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Thus, arc RS also measures 126 degrees
 
        
             
        
        
        
Answer:
r = <u>26</u>
Step-by-step explanation:

 
        
                    
             
        
        
        
Answer:
Is the question complete
Step-by-step explanation:
 
        
             
        
        
        
I believe that the common difference would be.10