Answer:
11
Step-by-step explanation:
Just count it
 
        
                    
             
        
        
        
Answer:
b
Step-by-step explanation:
 
        
             
        
        
        
Answer:

Step-by-step explanation:
The complete question in the attached figure
we know that
The <u><em>Triangle Exterior Angle Theorem</em></u> states that: An exterior angle of a triangle is equal to the sum of the opposite interior angles.
In this problem

solve for x

 
        
             
        
        
        
4/12=1/3
8/14=4/7
6/8=3/4
3/6=1/2
5/15=1/3