PointInsideACircleAndOutsideOfARectangle

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


    class Program
    {
        static void Main(string[] args)
        {
            // Coordinates of a specified point
            double xCoordinate = -100;
            double yCoordinate = -100;
            // The following section checks if a point is in a circle
            double centreXcoordinate = 1;
            double centreYcoordinate = 1;
            double radius = 1.5;

            // The next two lines calculate the distence from the centre to each coordinate
            //Follow the link to read about the test whether a point is in a circle
            //http://math.stackexchange.com/questions/198764/how-to-know-if-a-point-is-inside-a-circle
            double xDistance = xCoordinate - centreXcoordinate;
            double yDistance = yCoordinate - centreYcoordinate;
            bool isInCircle = (xDistance * xDistance) + (yDistance * yDistance) <= (radius * radius);
            if (!isInCircle)
            {
                Console.WriteLine("No.");
                return;
            }

            // The following section checks if a point is in a rectangle
            double top = 1;
            double left = -1;
            double width = 6;
            double height = 2;
            double xMin = left;
            double xMax = left + width;
            double yMin = top - height;
            double yMax = top;

            // X Out Of Range
            bool isXOutRangleRectangle = ((xCoordinate < xMin) || (xCoordinate > xMax));

            // Y Out Of Range
            bool isYOutRangleRectangle = ((yCoordinate < yMin) || (yCoordinate > yMax));

            // Point outside of a rectangle
            bool isOutsideRectangle = isXOutRangleRectangle || isYOutRangleRectangle;

            if (isInCircle && isOutsideRectangle)
            {
                Console.WriteLine("Yes.");
            }
            else
            {
                Console.WriteLine("No.");
            }

        }
    }