Zadanie 2
b = (34cm - 9cm * 2) : 2 = (34cm - 18cm) : 2 = 16cm : 2 = 8cm
p = 9cm * 8cm = 72cm^2 (kwadratowe)
Zadanie 3
a = 52cm : 4 = 13cm
p = 13cm * 13cm = 169cm^2
Zadanie 4
a = 10cm
ob = 10cm * 4 = 40cm
