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10 cm sebanding dengan 30 m
x cm sebanding dengan 120 m
x = (10/30) 120 = 40 cm
a.pada model
lebar:
96/12=60/X
96X. =60 x 12
X. =7.5 cm
panjang:
96/12 = 72 / Y
96Y. =72 x. 12
y. =9
b.pakai rumus
=2(p x l + l x t + p x t)
c.pakai rumus
=P x L x T
NB:
p:panjang
l:lebar
t:tinggi
maaf yah,aku cuma bisa bantuin segini aja