refactoring: dreieckFlaeche

src/main.c

@@ -253,6 +253,4 @@ int main()
     b = getValue('b');
     c = getValue('c');
     dreieckFlaeche(a,b,c);
-    double s = (a + b + c) / 2;
-    printf("Die Flaeche des Dreiecks betraegt: %f\n", sqrt(s * (s - a) * (s - b) * (s - c)));
 }