include [HTML_REMOVED]

include [HTML_REMOVED]

define PI 3.14159

using namespace std;
int main()
{
double A, B, C;
scanf(“%lf%lf%lf”, &A, &B, &C);
printf(“TRIANGULO: %.3lf\n”, (A * C) / 2);
printf(“CIRCULO: %.3lf\n”, PI * pow(C, 2));
printf(“TRAPEZIO: %.3lf\n”, ((A + B) * C) / 2);
printf(“QUADRADO: %.3lf\n”, pow(B, 2));
printf(“RETANGULO: %.3lf\n”, A * B);
}