Jawabanmu

2014-05-19T20:28:27+07:00
Jawab 376 = 5:4:3
= 376 ; 5+4+3
=376; 12=31.33
Jawaban paling cerdas!
2014-05-19T20:30:32+07:00
Luas permukaan balok = 2((px.lx)+(px.tx)+(lx.tx))
376 = 2(px.lx+px.tx+lx.tx)
188 = plx2+ptx2+ltx2
188 = 20x2+15x2+12x2
188 = 47x2
x2 = 4
x = 2
p = 10
l = 8
t = 6
volume = p x l x t
           = 10x8x6
           = 480 cm3