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198 = p x 6 x 3
198 = p x 18
p = 198
18
p = 11
jadi panjang balok tsb adalah 11 cm
L1 = 6 x 5 x 4 = 120 cm²
L2 = 8 x 7 x 4 = 224 cm²
120 = 15 (sama- sama dibagi 8(FPB))
224 28
jadi perbandingan luasnya adalah 15 : 28
maaf bila salah