Odpowiedź :
Pc = 2Pp + Pb
Pp = (a+b)*h/2
Pp = (2+10)*3/2
Pp = 18
Pb = 2*2+2*10+5*10+5*10
Pb = 4+20+50+50
Pb = 124
Pc = 2*18 + 124
Pc = 36 + 124
Pc = 160
Odpowiedź: Pc = 2Pp + Pb
Pp = (a+b)*h/2
Pp = (2+10)*3/2
Pp = 18
Pb = 2*2+2*10+5*10+5*10
Pb = 4+20+50+50
Pb = 124
Pc = 2*18 + 124
Pc = 36 + 124
Pc = 160
Szczegółowe wyjaśnienie: