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package ConditionalStatementsLab; import java.util.Scanner; public class AreaOfFigures_07 { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String name = scanner.nextLine(); if (name.equals("square")){ double a = Double.parseDouble(scanner.nextLine()); double result = a * a; System.out.printf("%.3f", result); } else if (name.equals("rectangle")) { double a = Double.parseDouble(scanner.nextLine()); double b = Double.parseDouble(scanner.nextLine()); double result = a * b; System.out.printf("%.3f", result); } else if (name.equals("circle")) { double a = Double.parseDouble(scanner.nextLine()); double result = Math.PI * (a * a); System.out.printf("%.3f", result); } else if (name.equals("triangle")) { double a = Double.parseDouble(scanner.nextLine()); double b = Double.parseDouble(scanner.nextLine()); double result = (a * b) / 2 ; System.out.printf("%.3f", result); } } }