Programming logic C# visual studio
(Circle Area) Write an app that prompts the user for the radiusof a circle and uses method CircleArea to calculate the area of thecircle.
Solution
using System;class Program{ static double CircleArea(double r){ return 3.14159*r*r; } static void Main() { Console.Write(“Enter radius: “); double radius = Convert.ToDouble(Console.ReadLine()); Console.Write(“Area: “+CircleArea(radius)); }}