static void Main(string[] args)
{
double A, B, C;
double TRIANGULO, CIRCULO, TRAPEZIO, QUADRADO, RETANGULO;
double pi = 3.14159;
string[] vet;
vet = Console.ReadLine().Split(' ');
A = Double.Parse(vet[0], CultureInfo.InvariantCulture);
B = double.Parse(vet[1], CultureInfo.InvariantCulture);
C = double.Parse(vet[2], CultureInfo.InvariantCulture);
TRIANGULO = A * C / 2;
CIRCULO = pi * Math.Pow(C, 2.0);
TRAPEZIO = (A + B) * C / 2;
QUADRADO = Math.Pow(B, 2.0);
RETANGULO = A * B;
Console.WriteLine("TRIANGULO: " + TRIANGULO.ToString("F3", CultureInfo.InvariantCulture));
Console.WriteLine("CIRCULO: " + CIRCULO.ToString("F3", CultureInfo.InvariantCulture));
Console.WriteLine("TRAPEZIO: " + TRAPEZIO.ToString("F3", CultureInfo.InvariantCulture));
Console.WriteLine("QUADRADO: " + QUADRADO.ToString("F3", CultureInfo.InvariantCulture));
Console.WriteLine("RETANGULO: " + RETANGULO.ToString("F3", CultureInfo.InvariantCulture));
Console.ReadLine();
}
static void Main(string[] args)
{
double A, B, C, TRIANGULO, CIRCULO, TRAPEZIO, QUADRADO, RETANGULO;
string[] vet;
vet = Console.ReadLine().Split(' ');
A = double.Parse(vet[0], CultureInfo.InvariantCulture);
B = double.Parse(vet[1], CultureInfo.InvariantCulture);
C = double.Parse(vet[2], CultureInfo.InvariantCulture);
TRIANGULO = A * C / 2;
CIRCULO = 3.14159 * C * C;
TRAPEZIO = (B + A) * C / 2;
QUADRADO = B * B;
RETANGULO = A * B;
Console.WriteLine("TRIANGULO: " + TRIANGULO.ToString("F3", CultureInfo.InvariantCulture));
Console.WriteLine("CIRCULO: " + CIRCULO.ToString("F3", CultureInfo.InvariantCulture));
Console.WriteLine("TRAPEZIO: " + TRAPEZIO.ToString("F3", CultureInfo.InvariantCulture));
Console.WriteLine("QUADRADO: " + QUADRADO.ToString("F3", CultureInfo.InvariantCulture));
Console.WriteLine("RETANGULO: " + RETANGULO.ToString("F3", CultureInfo.InvariantCulture));
Console.ReadLine();
}
static void Main(string[] args)
{
double A, B, C, TRIANGULO, CIRCULO, TRAPEZIO, QUADRADO, RETANGULO;
A = double.Parse(Console.ReadLine(), CultureInfo.InvariantCulture);
B = double.Parse(Console.ReadLine(), CultureInfo.InvariantCulture);
C = double.Parse(Console.ReadLine(), CultureInfo.InvariantCulture);
TRIANGULO = (A * C) / 2;
CIRCULO = C * C * 3.14159;
TRAPEZIO = ((A + B) * C) / 2;
QUADRADO = B * B;
RETANGULO = A * B;
Console.WriteLine("TRIANGULO: " + TRIANGULO.ToString("F3"), CultureInfo.InvariantCulture);
Console.WriteLine("CIRCULO: " + CIRCULO.ToString("F3"), CultureInfo.InvariantCulture);
Console.WriteLine("TRAPEZIO: " + TRAPEZIO.ToString("F3"), CultureInfo.InvariantCulture);
Console.WriteLine("QUADRADO: " + QUADRADO.ToString("F3"), CultureInfo.InvariantCulture);
Console.WriteLine("RETANGULO: " + RETANGULO.ToString("F3"), CultureInfo.InvariantCulture);
}
static void Main(string[] args)
{
double A, B, C, PI, TRIANGULO, CIRCULO, TRAPEZIO, QUADRADO, RETANGULO;
String[] vet = Console.ReadLine().Split(' ');
A = double.Parse(vet[0]);
B = double.Parse(vet[1]);
C = double.Parse(vet[2]);
PI = 3.14159;
TRIANGULO = (A * C) / 2.0;
CIRCULO = PI * Math.Pow(C, 2.0);
TRAPEZIO = ((A + B) * C) / 2.0;
QUADRADO = Math.Pow(B, 2.0);
RETANGULO = A * B;
Console.WriteLine("TRIANGULO: " + TRIANGULO.ToString("F3"));
Console.WriteLine("CIRCULO: " + CIRCULO.ToString("F3"));
Console.WriteLine("TRAPEZIO: " + TRAPEZIO.ToString("F3"));
Console.WriteLine("QUADRADO: " + QUADRADO.ToString("F3"));
Console.WriteLine("RETANGULO: " + RETANGULO.ToString("F3"));
}