If the area of a semicircle is 32 sq. km, then its radius is:
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
radius=3.19 km
Step-by-step explanation:
32/3.14159=r^2
r=3.19 km
 
                                
             
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