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2. L1 = 6x5x4 = 30x4 = 120
L2 = 8x7x4 = 56x4 = 224
perbandingan = 224 : 120 = 56 : 30 = 28 : 15
tolong dibuat sebagai jawaban terbaik !!!!!!!!!!!!!!!!!
198 = 2 [(p.6)+(p.3)+(6.3)]
198 = 2(6p+3p+18)
198 = 12p + 6p + 36
198 - 36 = 12p + 6p
162 = 18p
= p
9 = p
2) balok1 =
Lp = 2 (pl+pt+lt)
= 2 [(6.5)+(6.4)+(5.4)]
= 2 . 74
= 148
balok2 =
Lp = 2 (pl+pt+lt)
= 2 [(3.7)+(3.4)+(7.4)]
= 2 . 61
= 122
perbandingan = 148 : 122
= 74 : 61