Odpowiedź :
Pole =
[tex] \frac{e \times f}{2} [/tex]
[tex]p = \frac{8 \times 11}{2} [/tex]
[tex]p = 49.5cm2[/tex]
Obwód =
[tex]obw = 7cm \times 4 = 28cm[/tex]
Pole =
[tex] \frac{e \times f}{2} [/tex]
[tex]p = \frac{8 \times 11}{2} [/tex]
[tex]p = 49.5cm2[/tex]
Obwód =
[tex]obw = 7cm \times 4 = 28cm[/tex]