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Saturday, September 26, 2015

MENCARI LUAS DAN KELILING LINGKARAN

by Unknown  |  in JAVA at  8:06 PM


nah langsung saja contoh soal kasus

1. Buatlah program yang meminta inputan jari - jari, yang kemudian dihitung dan ditampilkan luas dan keliling lingkaran tersebut. (mis. input jari - jari =5.5)



/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package javaapplication1;

/**
 *
 * @author PC 1
 */
import java.util.Scanner;
public class JavaApplication1 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Scanner masukan= new Scanner (System.in);
        
        float phi,luas,keliling,d;
        float jarijari;
        phi=3.14F;
        d=7F;
        
        System.out.println(" PROGRAM PENCARIAN LUAS DAN KELILING");
        System.out.println("=====================================");
        System.out.print("masukan Jari - Jari =");
        jarijari = masukan.nextFloat();
        luas=phi*jarijari*jarijari;
        keliling=phi*d;
        System.out.println("Luas     ="+luas    );
        System.out.println("keliling ="+keliling);
     
     
    }
 
}

yang di tulis warna merahnya saja ok dan cobalah

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