// ConsoleApplication4.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <cmath>
using namespace std;

int main()
{
	const float pi = 3.14159;
	float side;

	cout << "Geometric Formulas by John Arno\n" << endl;

	cout << "enter a number \n" << endl;
	cin >> side;
	cout << "\n";
	cout << "you entered \t " << side << endl << endl;
	// area of the square
	int square = side * side;

	cout << "the area of the square is \t" << square << " sq. m" << endl;

	// area of the circle
	float circle = (side * side) * pi;
	cout << "the area of the circle is \t" << circle << " sq. m" << endl;

	// difference of the areas
	double diff = circle - square;
	cout << "the difference of the areas is \t" << diff << " sq. m" << endl;
	cout << '\n';

	// rounding up and down
	double up = ceil(diff);
	cout << "the difference rounded up is \t" << up << " sq. m" << endl;

	cout << "\t the volume of that cube is " << (up * up * up) << " cu. m" << endl;

	double down = floor(diff);
	cout << "the difference rounded down is \t" << down << endl;

	cout << "\t the volume of that cube is \t" << (down * down * down) << " cu. m" << endl;



	system("pause");


	return 0;
}