pomoże ktoś................

Odpowiedź:
P = 5m * 8m - 2m * 4m = 40m^2 - 8m^2 = 32 m^2
ps: "^2" oznacza "do potęgi drugiej"
Odpowiedź:
Pf = Pole figury
Pf = P1 + P2
P1
P= a* b
a = 5m
b = 8 - 4
b = 4m
P = 5 * 4
P = 20m
P2
P = a* b
a = 4m
b = 5m - 2m
b = 3m
P = 4 * 3
P = 12m
Pf = 20m + 12m
Pf = 32m