/**
 * Sample program to compute area and circumference.
 * Discussed in class, 09/02/98.
 * Author: Mark A. Weiss
 */

#include <iostream.h>

int main( )
{
    const double PI = 3.1416;
    double radius;
    double area;
    double circumference;

    // Read the radius
    cout << "Please enter the radius of the circle: ";
    cin >> radius;

    // Compute the area and circumference
    area = PI * radius * radius;
    circumference = 2.0 * PI * radius;

    // Output the results
    cout << "The area of the circle is " << area << "." << endl;
    cout << "The circumference of the circle is " << circumference;
    cout << "." << endl;   // Previous line was too long, so I broke it in 2.

    return 0;
}