It would be 43.75% because 
7÷16=0.4375
0.4375×100=43.75%
        
             
        
        
        
I'm pretty sure it has to have 1 over any number
        
             
        
        
        
Answer:
I think the Radius is 3. I'm not really sure, don't quote me on it. K?
Step-by-step explanation:
 
        
             
        
        
        
Answer:
5
Step-by-step explanation:
Verticle angles are the angles opposite of each side.