find the volume of a regular polygon inscribed in a cone in csharp

main.cs
using System;

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

            double circumference = 2 * Math.PI * radius; // circumference of the base of the cone
            double sideLength = circumference / numOfSides; // length of one side of the polygon
            double apothem = radius * Math.Cos(Math.PI / numOfSides); // apothem of the polygon

            double baseArea = (numOfSides * Math.Pow(sideLength, 2)) / (4 * Math.Tan(Math.PI / numOfSides)); // area of the base polygon
            double volume = (baseArea * height) / 3; // volume of the cone

            Console.WriteLine("Num of sides: " + numOfSides);
            Console.WriteLine("Radius: " + radius);
            Console.WriteLine("Height: " + height);
            Console.WriteLine("------------------------");
            Console.WriteLine("Volume of the polygon inscribed in the cone: " + volume);
        }
    }
}
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