Cs 201 3rd assignment solution

//*plese edit before submit
#include <iostream>
#include <cmath>
#include <iomanip>
//* http://vubest.blogspot.com/
using namespace std;
int main()
{
float radius;
float fAreaCircle;
float fCircumferenceCircle;
cout << "\nEnter the radius of circle: " ;
cin >> radius;
//****************************************
cout << "\nThe radius of circle is: " << radius << endl;
//* use this formula for calculation
fAreaCircle = (M_PI * radius) * radius;
fCircumferenceCircle = (2.0 * M_PI) * radius;
cout << "The area of the circle is: " << fAreaCircle << endl;
cout << "The circumference of the circle is: " << fCircumferenceCircle << endl;
system("Pause");
return 0;
}
//* http://vubest.blogspot.com/