Saludos a todos tengo duda aquí en este programa de calcular el área. Me tranque jajaja

Question

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

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
const double pi = 3.14;
double radius;

//tu código va aquí
int r = 5;
Console.ReadLine();
Console.WriteLine(r*r * 3.14);

}
}
}

Answer 1

To quadrate something you can use Math.Pow(double, double)
and for pi you can use Math.PI

and you can write
int r = int.Parse(Console.ReadLine());

if that was you plan

Answer 2

Gracias