Jawabanmu

2014-07-15T08:33:41+07:00
Lalas dan atas =  \frac{1}{2} . d_{1} . d_{2} .2 =  \frac{1}{2} .18.34.2 = 612
 luas_{3,4,5,dan6} = s.t = 19,2 (phitagoras+disederhanakan).10.4 = 768

lp = 612 + 768 = 1380