package Tp_05;

import java.util.Scanner;

public class Exercice_05 {
	
	private static Scanner sc;

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		sc = new Scanner (System.in);
		
		double PI = 3.14159;
		double rayon;
		double perim;
		double aire;
		
		System.out.println("Entrez le rayon :");
		rayon = sc.nextInt();
		perim = 2*rayon*PI;
		aire = PI*rayon*rayon;
		System.out.println("Périmetre = "+perim+"");
		System.out.println("Aire = "+aire+"");
		

	}

}