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I hope this helps! :)
        
                    
             
        
        
        
Answer:
margins
Explanation:
the definition margins are the edges
 
        
             
        
        
        
Just do it just look up the answers mate
        
             
        
        
        
public class Circle {
 // the private data members
 private double radius;
 private double area;
 private double diameter;
 public void setRadius(double r)
 {
  radius = r;
 }
 public double getRadius()
 {
  return radius;
 }
 public double computeDiameter()
 {
  return radius * 2;
 }
 public double computeArea()
 {
  return ((radius * radius) * 3.14);
 }
}