Odpowiedź :
a= 1cm
b= 3 cm
c= 3 cm
Pc=2*Pp+Pb
Pp= 1cm * 3 cm = 3cm^2
Pb= 4 * 3 cm * 3 cm = 36 cm^2
Pc=2*3 cm^2 + 36 cm^2 = 6 cm^2 + 36 cm^2 = 42 cm^2
a= 1cm
b= 3 cm
c= 3 cm
Pc=2*Pp+Pb
Pp= 1cm * 3 cm = 3cm^2
Pb= 4 * 3 cm * 3 cm = 36 cm^2
Pc=2*3 cm^2 + 36 cm^2 = 6 cm^2 + 36 cm^2 = 42 cm^2