Pc = Pk + Pt + Pt + Pt +Pt
Pk= 14*12 =168dm
Pt =(a*h)/2
Pt1 =(14*6,8)/2
Pt1 = 47.6
Pt2 = (12*8.4)/2
Pt2 =50.4
Pc= 50.4 + 50.4 + 47.6 + 47.6 +168
Pc= 196dm + 168dm
Pc= 364dm
