Class Chain-Header chain.h

#ifndef __CHAIN_H__
#define __CHAIN_H__
#include "circle.h"

class Chain : public Circle
{
private:
  Circle c;
public:
  Chain(const Circle& c1, const Circle& c2);
  Chain(const Point&, const Point& p=Point(0), const int r1=1);
  
  float area();
  float perimeter();
  friend ostream& operator<<(ostream& s, Chain& ch);
};
#endif