find the surface area of a regular polygon inscribed in a cone in csharp

main.cs
using System;

class Program
{
    static void Main(string[] args)
    {
        int numOfSides = 6; // number of sides of polygon
        double radius = 5; // radius of the cone
        double height = 10; // height of the cone

        // Step 1: Calculate the slant height
        double slantHeight = Math.Sqrt(Math.Pow(radius, 2) + Math.Pow(height, 2));

        // Step 2: Calculate the length of each edge of the polygon
        double edgeLength = 2 * radius * Math.Sin(Math.PI / numOfSides);

        // Step 3: Calculate the surface area of the polygon
        double perimeter = numOfSides * edgeLength;
        double surfaceArea = (0.5) * perimeter * slantHeight;

        Console.WriteLine("Surface Area of the Regular Polygon Inscribed in a Cone: " + surfaceArea);
    }
}
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