Source Code for Lab #5

// LAB053.cpp Program to test TriArea function

#include <iostream.h>
#include <math.h>

int main(void)
{
   float TriArea(float a, float b, float c);

   float a, b, c;   // sides of triangle 

   //*** display instructions here 
   cout << "Enter side a: ";
   cin  >> a;
   cout << "Enter side b: ";
   cin  >> b;
   cout << "Enter side c: ";
   cin  >> c;
   cout << "Area of Triangle is: " << TriArea(a, b, c) << endl;
   return 0;
}

//
// Function to calculate the area of a triangle given 3 sides
// Pre:  Sides, a, b, c, form a triangle.
// Post: The function has returned the area of the triangle.
// 

float TriArea(float a, float b, float c)
{
   float s,      // semiperimeter 
         temp;   // square of area of triangle 

   //*** calculate s
   //*** calculate temp = s(s-a)(s-b)(s-c)
   //*** change stub return below to calculate and return area
   return 0;  //*** change return value
}