Write a C++ Program for Calculating Slope of a Line Given Two End Points

Write a C++ Program for Calculating Slope of a Line Given Two End Points

It uses the following formula given points are (x1,y1) and (x2, y2)

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

#include <iostream>
#include <math.h>
 
void main()
{
    float slope;
    float x1, y1, x2, y2;
    float dx, dy;
 
    std::cout << "Program to find the slope of a line given two end points\n";
 
    std::cout << "Enter X1: ";
    std::cin >> x1;
 
    std::cout << "Enter Y1: ";
    std::cin >> y1;
 
    std::cout << "Enter X2: ";
    std::cin >> x2;
 
    std::cout << "Enter Y2: ";
    std::cin >> y2;
 
    dx = x2 - x1;
    dy = y2 - y1;
    slope = dy / dx;
 
    std::cout << "Slope of the line with end points (" << x1 << ", " << y1 << " and (" << x2 << ", " << y2 << ") = ";
    std::cout << slope << "\n";
 
}

OUTPUT

Program to find the slope of a line given two end points
Enter X1: 2.5
Enter Y1: 7.5
Enter X2: 12.5
Enter Y2: 18
Slope of the line with end points (2.5, 7.5 and (12.5, 18) = 1.05
Press any key to continue . . .

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