Pole 1
a = 3 cm
b = 2 cm
P = a * b
P = 3 cm * 2 cm
P = 6cm²
Pole 2
c = 7 cm - 2 cm = 5 cm
d = 2 cm
P = 5 cm * 2 cm
P = 10 cm²
Pole figury
P = 6 cm² + 10 cm ² = 16cm²