// ...
//
//	Goal: read the radius of a circle out its area display to two 
//	decimal places

#include<iostream>
#include<iomanip>	// p.20, for setprecision(N)

using namespace std;

int main()
{
	cout << fixed << showpoint<< setprecision(2);

	const float PI = 3.1415;	
	float radius, area;

	cout << "Input the radius - ";
	cin >> radius;

	area = PI * radius * radius;
//	area = PI* pow(radius, 2.0);

	cout << "The area of the circle is: " << area << endl;

	return 0;
}