Answer:
I think the answer is C.....
 
        
             
        
        
        
Answer:
2
Step-by-step explanation:
you add 1 to 1 and that gives you 2
 
        
                    
             
        
        
        
interior angle of n-gon formula: 180 - ( 360 / n) 
a 30 sided polygon, so in this case n = 30
so
interior angle = 180 - ( 360 / 30) 
interior angle = 180 - 12
interior angle =  168
answer
168 degrees