test.cpp

#include <iostream>
using namespace std;

int length, width, area;

void welcomeMessage()
{
	cout << "This program was designed to calculate the area of a triangle.\n" << endl;
}

int rect_fun()
{
	area = length * width;
	cout << "The area of the triangle is " << area << "." << endl;
}

int main(const char*)
{
	welcomeMessage();
	cout << "Please enter the length of the triangle.\n";
	cin >> length;
	cout << "Please enter the width of the triangle.\n";
	cin >> width;
	rect_fun();
	cout << "Have a nice day!!" << endl << endl;
	system("pause");
	return 0;
}