Method_Ex_2 (Wk-8) Feb 24-28, 2014

Q: Define 2 methods to compute volume and area of cylinder. 
Get radius and length from user then call these methods and display results.
Formula: volume = π r2 h  ; area = 2πrh+2πr2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Method_Ex_2
{
    class Program
    {
        static void Main(string[] args)
        {
            double radius, length;

            Console.Write("Enter radius: ");
            double.TryParse(Console.ReadLine(), out radius);

            Console.Write("\nEnter length: ");
            double.TryParse(Console.ReadLine(), out length);

            double volume = VolumeOfCylinder(radius, length);
            double area = AreaOfCylinder(radius, length);

            Console.WriteLine("\nVolume of cylinder: {0}", volume.ToString("f3"));
            Console.WriteLine("\nArea of cylinder: {0}", area.ToString("f3"));

            Console.ReadKey();
        }
        static double VolumeOfCylinder(double r, double h)
        {
            double v = Math.PI * r * r * h;
            return v;
        }
        static double AreaOfCylinder(double r, double h)
        {
            double a = 2 * Math.PI * r * h;
            return a;
        }
    }
}