Jawabanmu

Jawaban paling cerdas!
2014-05-08T21:32:54+07:00
P = 6x
l = 3x
t = 4x
V  = 576
volume balok
= p x l x t
 (6x) (3x) (4x) = 576
72 x³ = 576
x³ = 576/72
x³ = 8
x = ∛8
x = 2


p = 6 x 2 =12
l = 3 x 2 = 6
t = 4 x 2 = 8

luas permukaan = 2 (pl + pt + lt)
= 2 (12x6 + 12x8 + 6x8)
= 2 (72 + 96 + 48)
= 2 (216)
= 432 dm² = 43200 cm²
                    
Makasih yaa
Yang d jawabnnya 43.200 cm2 jdi jwabnya ada