Odpowiedź :
[tex]p = \frac{(a + b) \times h}{2} [/tex]
[tex]p = \frac{(10cm + 3cm) \times 4cm}{2} [/tex]
[tex]p = \frac{52cm}{2} = 26 {cm}^{2} [/tex]
[tex]p = \frac{(a + b) \times h}{2} [/tex]
[tex]p = \frac{(10cm + 3cm) \times 4cm}{2} [/tex]
[tex]p = \frac{52cm}{2} = 26 {cm}^{2} [/tex]