Source code terdiri dari : - Main - Circle - Rectangle - Square - Triangle - Rhombus - Parallelogram 1) Source code Main import static java.lang.Math.sqrt; import java.awt.*; /** * Write a description of class Main here. * * @author Satria Ade Veda Karuniawan * @version 09/10/2018 */ public class Main { public static void main(String args[]) { //Circle definition Circle testCircle; testCircle = new Circle(); testCircle.SetRadius(3.0); testCircle.SetCenter(2.0,2.0); double LuasLingkaran = testCircle.Area(); double KelilingLingkaran = testCircle.Circumference(); //Rectangle definition Rectangle testRectangle; ...