Odpowiedź :
[tex]15mm = 1.5cm[/tex]
Pole
[tex] \frac{(a + b) \times h}{2} = \frac{(6 + 3) \times 1.5}{2} = \frac{9 \times 1.5}{2} = \frac{13.5}{2} = 6.75 {cm}^{2} [/tex]
[tex]15mm = 1.5cm[/tex]
Pole
[tex] \frac{(a + b) \times h}{2} = \frac{(6 + 3) \times 1.5}{2} = \frac{9 \times 1.5}{2} = \frac{13.5}{2} = 6.75 {cm}^{2} [/tex]