Jawabanmu

2014-06-17T16:40:18+07:00
Lp = Laalas * L. selimut
       (p* l) * 15
       ( 18*14) * 15
= hasilnya kali 15
Jawaban paling cerdas!
2014-06-17T16:46:20+07:00
LP=2(P*L)+2(P*T)+2(L*T)
    =2(18*14)+2(18*15)+2(14*15)
    =1.464 cm^{2}

kalo gak salah

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