/**
 * Sample C++ program that computes the area of a triangle
 * using the Heron's formula. Used to demonstrate debugging
 * in Visual C++.
 *
 * Vladimir Vacic (vladimir AT cs.ucr.edu)
 * Computer Science and Engineering Department
 * University of California, Riverside
 * Apr-12-2005
 * Compiler: Visual C++ .NET
 */

#include <iostream>
#include <math.h>
using namespace std;

int main()  {

	float side1, side2, side3, halfcir, area;

	cout << "Enter the length of one side of the triangle: ";
	cin >> side1;

	cout << endl << "Enter the length of another side of the triangle: ";
	cin >> side2;

	cout << endl << "Enter the length of the third side of the triangle: ";
	cin >> side3;

	halfcir = (side1 + side2 + side3) / 2;

	area = sqrt(halfcir * (halfcir-side1) * (halfcir-side2) * (halfcir-side3));

	cout << endl << "The area of the triangle is: " << area << endl;

	return 0;
}