Answer:
27 Units 
 I just took the test and got 100 percent 
 
        
                    
             
        
        
        
Not sure i remember this but i think radius is like half of the diameter. it’s a line from the center, to a side of the circle. in this situation, line RO would be representing the radius.
answer: D, line RO
hope this helps :)
        
                    
             
        
        
        
Answer:
C) Yes, it’s a reflection over line f.
Step-by-step explanation:
It’s a reflection over line f. 
 
        
             
        
        
        
The answer would be 369.75
         
            369.75
       8|2958.00
          24
            55
            48
              78
              72
                60
                56
                  40