Sebuah balok memiliki panjang 24 cm lebar 18 cm dan volume 6.048 cm3 Berapa luas permukaan balok tersebut
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T = V/PL
= 6.048/24(18)
= 6.048/432
= 14/1
= 14 CM
MAKA :
LP = 2(24(18) + (24(14) + (18(14)
= 2(432 + 336 + 252)
= 2(432 + 588)
= 2(1.020)
= 2.040 CM²
tinggi = volume / p X l
t = 6048/24 X 18
t = 6048/432
t = 14 cm
Lp = 2(pl + PT + Lt)
= 2(24.18 + 24.14 + 18.14)
= 2(1.020)
= 2.040 cm²