Answer:
Step-by-step explanation:
hope this helps you
 
        
                    
             
        
        
        
Can’t help DDDD: bcoz link is a scam
        
             
        
        
        
Step-by-step explanation:
you start with 90 then 180 then270 then 360
 
        
                    
             
        
        
        
Set 4 is the correct answer because if you multiply 10 by 10 + 20 times 20, you will get 400 and when you multiply 30 by 30 you also get 400 which is equal to 400 there for you answer would be set 4.
Hope I helped if I did click the thx button ;)