public static void Main()
Console.WriteLine("=======================");
Console.Write("Enter radius : ");
double radius=double.Parse(Console.ReadLine());
Console.WriteLine("====================== ");
Console.WriteLine("Area circle is {0:f}",findradius(radius));
Console.WriteLine("====================== ");
Console.Write("Enter weight : ");
float weight = float.Parse(Console.ReadLine());
Console.Write("Enter height : ");
float height = float.Parse(Console.ReadLine ());
Console.WriteLine("Area square is {0:f}",findsquare(weight, height));
Console.WriteLine("====================== ");
static double findradius (double radius)
double circle = Math.PI*Math.Pow(radius ,2);
static float findsquare(float weight, float height)
float square= weight*height;