public class Daire
{
    public float Yaricap = 0;
	public Daire()
	{
		
	}

    public float CevreHesapla()
    {
        return 3.14F * Yaricap * 2;
    }

    public float AlanHesapla()
    {
        return 3.14F * Yaricap * Yaricap;
    }
        
}
public class Kare
{
    public float Kenar = 0;
    public Kare()
    { 
    
    }
    public float CevreHesapla()
    {
        return Kenar * 4;
    }
    public float AlanHesapla()
    {
        return Kenar * Kenar;
    }
}