// FILE: Circle.cpp
// COMPUTES AND PRINTS THE AREA AND CIRCUMFERENCE OF A CIRCLE

#include <iostream.h>

int main ()
{
   Local data ...
   const double pi = 3.14159;

   double radius;		//input: radius of a circle
   double area;		//output:  area of a circle
   double circum;		//output: circumference of a circle

   // Read radius of circle.
   cout << "Enter the circle radius:  ";
   cin >> radius;

   // Compute area of circle.
   area = pi * radius * radius;
 
   // Compute circumference of circle.
   circum = 2 * pi * radius;

   // Display area and circumference.
   cout << "The area of the circle is " << area << endl;
   cout << "The circumference of the circle is " << circum << endl;

   return 0;
}