#include <iostream>
#include <locale.h>
using namespace std;
class circle
{
double radius;
public :
void set_radius(double r)
{
radius=r;
}
double get_radius()
{
return radius;
}
double get_area()
{
return 3.14*radius*radius;
}
double get_perimeter()
{
return 2*3.14*radius;
}
};
int main0205()
{
setlocale(LC_ALL,"Turkish");
circle c;
c.set_radius(3);
cout<<"Yar��ap : "<<c.get_radius()<<endl;
cout<<"Alan : "<< c.get_area()<<endl;
cout<<"�evre : "<< c.get_perimeter()<<endl;
return 0;
}
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