Answer:
Unknown answer so ye that mean I'm not sure about it
Step-by-step explanation:
Unknown answer so ye that mean I'm not sure about it
 
        
             
        
        
        
Area would be 4.52 A= pi x radius squared 
Circumference would be 7.54 C= 2 pi radius. Hope that makes sense.
        
             
        
        
        
Get the app Symbolab, it helped me when I was learning about logarithms. 
The answer is x=10