using System;

using UnityEngine;

public class Program

{

    public static void Main()

    {

        float[] areas = new float[]

        {

            0f,

            0.02112716f,

            0.04121076f,

            0.07670123f,

            0.1153387f,

            0.1618301f,

            0.2244108f,

            0.3040703f,

            0.3879602f,

            0.5f,

            0.6103955f

        };

        for(int i = 0; i < 11; i++)

        {

            float alpha = 5f * i;

            float _area = areas[i];

            float alphaRad = Mathf.Deg2Rad * alpha; //alpha is a positive float from 0 to 90

            float x = (-Mathf.Sin(alphaRad) + Mathf.Sqrt(Mathf.Pow(Mathf.Sin(alphaRad), 2) - 4 * (- 2 * _area))) / 2;

            Console.WriteLine(alpha.ToString("00") + " | " + x);

        }

    }

}