задача 6

Console.Write("Entering side A (sm.): ");
            double sideA = double.Parse(Console.ReadLine());
                   sideA = Math.Abs(sideA);
            Console.WriteLine();
            Console.Write("Entering side B (sm.): ");
            double sideB = double.Parse(Console.ReadLine());
                   sideB = Math.Abs(sideB);
            Console.WriteLine();
            double perimetar = (sideA + sideB) * 2;
            double area = sideA * sideB;
            Console.WriteLine("        Perimetar = " + perimetar + "(sm.)");
            Console.WriteLine("             Area = " + area + "(sm^2)");