include [HTML_REMOVED]
const double pi=3.14159;
int main(){
double a,b,c;
scanf(“%lf%lf%lf”,&a,&b,&c);
printf(“TRIANGULO: %.3lf\n”,ac/2);
printf(“CIRCULO: %.3lf\n”,picc);
printf(“TRAPEZIO: %.3lf\n”,(a+b)c/2);
printf(“QUADRADO: %.3lf\n”,bb);
printf(“RETANGULO: %.3lf”,ab);
return 0;
}