practica 3.1 console

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

namespace practica_3._1_consola
{
class Program
{
static void Main(string[] args)
{
double p, area, a, b, c;
Console.WriteLine("introduce las tres longitudes de un triangulo");
a = double.Parse(Console.ReadLine());
b = double.Parse(Console.ReadLine());
c = double.Parse(Console.ReadLine());
p=(a+b+c)/2.0f;
area = Math.Sqrt(p * (p - a) * (p - b) * (p - c));
Console.WriteLine("el area del triangulo es{0}", area);
Console.ReadKey();



}
}
}