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+package calcarea;%0A%0Aimport java.io.PrintStream;%0Aimport java.util.Scanner;%0Aimport java.lang.String;%0Aimport java.lang.Double;%0A%0A%0Apublic class Triangulo%7B%0A    %0A    %0A    public static void main (String args%5B%5D)%7B%0A        %0A        Scanner in = new Scanner (System.in);%0A        %0A        Double base, altura, area;%0A        %0A        System.out.printf(%22Insira a Base: %22);%0A        base = in.nextDouble();%0A        %0A        System.out.printf(%22Insira a Altura: %22);%0A        altura = in.nextDouble();%0A        %0A        area = (base*altura)/2;%0A        %0A        System.out.printf(%22Area = %25.2f%22, area);%0A        %0A        %0A        %0A        %0A    %7D%0A    %0A    %0A    %0A    %0A    %0A%7D%0A

Create Calc-Area_Triangulo.java