Answer:
2.2
Step-by-step explanation:
I did it on khan 
 
        
             
        
        
        
The answer would be 2 because a square root has to be the same 2 numbers which is 2 for this example. 2x2=4. Hope this helps! If you have anymore questions please ask me. Stay Safe! And have a good day!
 
        
             
        
        
        
Answer:
Adjacent angles
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
61.31
Step-by-step explanation:
By using sinus rule