pole trapezu - ((a+b) × h):2 = ((14+25) × 2):2 = (39 × 2):2 = 78:2 = 39
a = 25
b = 14
h = 2
[tex] p = \frac{(a + b) \times h}{2} \\ p = \frac{(25 + 14) \times 2}{2 } \\ p = 39[/tex]
