// Homework #
// Problem 2.33
// Write a program that reads the radius of a circle (as a float value)
// and computes and prints the diameter, the circumference, and the area.
// Use the value 3.14159 for PI.

#include <iostream.h>

main()
	{
	float radius, pi = 3.14159;

	cout << "Enter the radius: ";
	cin >> radius;

	cout << "The diameter is " << radius * 2.0 << endl
		  << "The circumference is " << 2.0 * pi * radius << endl
		  << "The area is " << pi * radius * radius << endl;

	return 0;
	}