The standard equation for circumference 
CC= 2pi(D/2)
plug in variables
CC=2pi(5656/2)
so the equation would be
CC=(2)(pi)(2828)
        
             
        
        
        
Answer:
10
Step-by-step explanation:
 
        
                    
             
        
        
        
44.
1. Given
2. Vertical angles are congruent
3. angle 1 congruent to angle 5
4. Def congruence
 
        
                    
             
        
        
        
Answer:
Honestamente, no sé, pero lo siento
Step-by-step explanation: