Formel Kreis

Hallo Anonymous,

$${\mathtt{d}} = {\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{r}}$$          $${\mathtt{U}} = {\mathtt{d}}{\mathtt{\,\times\,}}{\mathtt{\pi}}$$             $${\mathtt{A}} = {{\mathtt{r}}}^{{\mathtt{2}}}{\mathtt{\,\times\,}}{\mathtt{\pi}}$$

Hier findest du alle Formeln zur Kreisberechnung:

http://www.schulminator.com/mathematik/kreisberechnung

Gruß radix !