include [HTML_REMOVED]
include [HTML_REMOVED]
using namespace std;
int main()
{
double a,b,c;
cin >> a >> b >> c;
if(a+b>c&& fabs(a-b)<c)
printf(“Perimetro = %.1f”,a+b+c);
else printf(“Area = %.1f”,(a+b)*c/2);
return 0;
}