Question

How to calculate the area of a circle in C#

Answer 1

using System;

class Program
{
    static void Main() {
        double radius = 5.7;

        double CircleArea = Math.PI * radius * radius;
        
        Console.WriteLine("The area of the circle is: " + CircleArea);
    }
}





/*
run:
    
The area of the circle is: 102.070345315132
    
*/

 

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