//	File name:	hw2circle.cpp
//	Author:		Kristy White
//	Instructor:	Dr. John Wang
//	Due Date:	Sept. 12, 2007
//	Compiling:	g++ hw2circle.cpp -o hw2circle.out
//	Execution:	./hw2circle.out
//
//	Goal: To compute area and circumference of a circle.

#include <iostream>

using namespace std;

int main()
{
	// 1. declare variables
	float radius, circumference, diameter, area;
	string star_line = "******************************";

	// 2. input - prompt a msg
	cout << star_line;
	cout << "\n\nPlease input the radius of the circle: ";
	cin >> radius;
	cout << "Please input the diameter of the circle: ";
	cin >> diameter;

	// 3. computing
	area = 3.14 *(radius * radius);
	circumference = 3.14 * diameter;

	// 4. output
	cout << "The area of the circle is: " << area << "\n";
	cout << "The circumference of the circle is: " << circumference << "\n\n\n";
	cout << star_line << endl;
	
	return 0;

}