Jawabanmu

2014-04-21T22:47:52+07:00
2014-04-21T22:57:15+07:00
Sisisegitiga = 12cm
tinggi prisma =14cm
pnj kerangka = 6×sisisegitiga + 3×tinggiprisma
=6×12+3×14 = 72+42 = 114cm

pnj kawat = 6m = 600 cm
bnyk kerangka = 600 ÷ 114 = 5 buah