1. Pp=a*h:2=6*8:2=24 2Pp=48 Pb=6*4+8*4+10*4=96 Pc=2Pp+Pb=48+96=144² 2. Pp=a*h:2=3*4:2=6 2Pp=12 Pb=3*10+4*10+5*10=120 Pc=2Pp+Pb=12+120=132²