Question

Write a visual basic code to find the circumference of a circle with a user defined radius

Answer 1

Module Module1
    Sub Main()
        Console.Write("Enter a radius of a circle: ")
        Dim radius As Double = Double.Parse(Console.ReadLine())
        Dim circumferenceCircle As Double = 2 * Math.PI * radius
        Console.WriteLine("Circumference of a circle : {0}", circumferenceCircle)
        Console.ReadLine()
    End Sub
End Module