Krug

#include <iostream>
#include <string.h>
using namespace std;
class Krug{
private:
    float radius;
    static const float pi=3.14;
public:
    Krug(){
    radius=0;
    }
    Krug(float radius1){
    radius=radius1;
    }
    float getRadius(){
    return radius;
    }
    void setRadius(float radius1){
    radius=radius1;
    }
   float Perimetar(){
   return 2*radius*pi;
   }
   float Plostina(){
   return radius*radius*pi;
   }
    bool ednakvi(){
    if(Plostina()==Perimetar()){
        return true;
    }else{
    return false;
    }
    }
};
int main()
{
    float r;
    cin>>r;
    Krug K (r);
    cout <<K.Perimetar() << endl;
    cout<<K.Plostina()<<endl;
    cout<<K.ednakvi()<<endl;
    return 0;
}