Yes, they are. Treat ratios like fractions, simplify them the same way. In 6/36, the GCF (Greatest Common Factor) of the numerator and the denominator is six. So, we divide both sides by six. This gives us 1/6, which is still the same fraction. (Making it proportional)
        
             
        
        
        
Answer:
D
Step-by-step explanation:
I think I'm not sure about that
 
        
             
        
        
        
The exterior angles should be A & C