Proszę pomóżcie podpunkt D! Daje naj !!! Proszę to na jutro !!!!

P1= 1m*4m= 4m ^2 P2= 3m*1m= 3m ^2 P3= 1m*4m= 4m ^2 P4=3m*1m= 3m ^2 P5= 1m*4m= 4m ^2 Pole figury= 4m ^2+3m ^2+ 4m ^2+3m ^2+1m*4m= 4m ^2= 18m^2