Answer:
39 centimeters
Step-by-step explanation:
to find the area of a circle you first find the radius which is the disctance from the edge of the plate to the center. you then multiply it by pi to find the total area.
 
        
                    
             
        
        
        
Answer:51 Groups
Step-by-step explanation:
60 students + 42 students = 102 
102 divided by 2 = 51 Total groups.
 
        
             
        
        
        
Hi I am here to help the answer is 46-90