Jawabanmu

2014-04-15T07:28:48+07:00
Lp = L alas + L selimut = (p.l) + (4.1/2. a. t) = (16*14) + (4.1/2.16.25) = 224 + 800 = 1024 cm^2
2014-04-15T07:54:04+07:00
LP = Lalas + Lselimut => (16x14) + 2(1/2 x 16 x 25) + 2(1/2 x 14 x 8√10) => 224 + 2(200) + 2(56√10) => 224+400+112√10 = 624+112√10 atau 978.175