//Programmer: Zainab Abdullah

//Dates (start/end): November 29, 2021/ November 30, 2021

//Project: U3 A2 Mathematical Lines

//Description: A VB program that calculates and displays the slope of AB, the midpoint of AB and length of AB.

​

using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Mathematical Lines");

        Console.WriteLine("Enter Coordinate xA");

        double x1 = Convert.ToDouble(Console.ReadLine()); //represents the first coordinate point.

        Console.WriteLine("Enter Coordinate yA ");

        double y1 = Convert.ToDouble(Console.ReadLine()); //represents the second coordinate point.

        Console.WriteLine("Enter Coordinate xB");

        double x2 = Convert.ToDouble(Console.ReadLine()); //represents an x different coordinate point.

        Console.WriteLine("Enter Coordinate yB ");

        double y2 = Convert.ToDouble(Console.ReadLine()); //represents a y different coordinate point.

        double slope = (y2 - y1)/(x2 - x1);

        slope =Math.Round(slope); //use math.round function to round the slope to a whole number.

        Console.WriteLine("Slope = "+ slope);

        // slope represents the slope of line AB.

        double distance = slope =(y2-y1)/(x2-x1)*100;

        distance =Math.Round(slope); //use math.round function to round the distance to a whole number.

        Console.WriteLine("distance = "+ distance);

        // distance represents the distance of line AB.

        double mpX = (x1+x2)/2;

        double mpY = (y1+y2)/2;

        Console.WriteLine("Midpoint = ("+mpX+","+mpY+")");

​

    }

}