Answer:
   °
°
Step-by-step explanation:
The sum of all the three angles of any triangle is 180°
Putting sum of all the angles given equals to 180°
                       
 °
° 
                                °
°
                                                           °
°
                                                                    
                                                                     °
°
The value of the x is found on solving the given angles of the triangles.
 
        
             
        
        
        
Answer:
c
Step-by-step explanation:
 
        
             
        
        
        
Missing number in the problem is 7
        
                    
             
        
        
        
Answer:
The third option is the correct answer
Step-by-step explanation:
I am a 100% sure.
Hope this helps....
Have a nice day!!!!