#include "05-03.h"
#include <iostream>

using namespace std;

int main()
{
    // Call the menu to cause it to display initially
    menu();  /* RIGHT HERE IS WHERE THE PROBLEM IS */
    
    system ("PAUSE");
    cin.get();
    return 0;
}

void menu()
{
     int menuchoice;
     float radius, height, width, base, answer;
     char somechar;
     
     /* This first section simply displays the users choices
        then prompts the user to make a selection. */
     cout << "1. Area of a circle \n";
     cout << "2. Area of a triangle \n";
     cout << "3. Area of a rectangle";
     cout << "4. Exit \n";
     cout << "\n Please enter the number of your selection. \n";
     cin >> menuchoice; // Whatever the users choice is
     
     switch (menuchoice)
     {
            case 1:
                 cout << "Please enter the radius of the circle \n";
                 cin >> radius;
                 answer = circle_area(radius);
                 break;
            case 2:
                 cout << "Please enter the radius of the triangle \n";
                 cin >> base;
                 cout << "Please enter the hight of the triangle \n";
                 cin >> height;
                 answer = triangle_area(base, height);
                 break;
            case 3:
                 cout << "Please enter the height of the rectangle \n";
                 cin >> height;
                 cout << "Please enter the width fo the rectangle \n";
                 cin >> width;
                 answer = rectangle_area(height, width);
                 break;
            case 4:
                 return;
                 default:
                         cout << "Sorry, that was not a valid entry. Please try again \n";
                         menu();
                         }
     
     cout << "The answer is " << answer << "\n";
     cout << " Press the enter /return key to continue \n";
     cin >> somechar ; 
     menu();
     }
     
     float circle_area(float radius)
     {
           float area;
           area = 3.14 * ( radius * radius );
           return area;
           }
     
     float triangle_area(float height, float base)
     {
           float area;
           area = .5 * (base * height);
           return area;
           }
     
     float rectangle_area(float height, float width)
     {
           float area;
           area = height * width;
           return area;
           }

int i = menu();
while(i != 4)
{
      i = menu();
}
//end program here