The dimensions of a cuboid are in the ratio6:3:2.its volume is 2.304m.find the dimension and hence total surface area of cuboid
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let the sides are 6x,3xand2x
volume=2.304
6x×3x×2x=2.304
36x³=2.304
x³=2.304/36
x³=0.064
x³=64/1000
X=0.8
the sides are 6×0.8=4.8
3×0.8=2.4
2×0.8=1.6
surface area=2(4.8×2.4+2.4×1.6+1.6×4.8)
=2(11.52+3.84+7.68)
=2×23.04
=46.08
volume=2.304
6x×3x×2x=2.304
36x³=2.304
x³=2.304/36
x³=0.064
x³=64/1000
X=0.8
the sides are 6×0.8=4.8
3×0.8=2.4
2×0.8=1.6
surface area=2(4.8×2.4+2.4×1.6+1.6×4.8)
=2(11.52+3.84+7.68)
=2×23.04
=46.08
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