Odpowiedź:
300 cm
240 m
21,5 cm
4 cm
5 m
Pole = a * h
A)P = 15 * 20 = 300cm2
B)P = 6 * 40 = 240 m2
C)P = 8.6 * 2.5 =21,5 cm2
D)P= 25 * x = 100
x = 4 cm
E)P= x * 16 = 80
x=5
