the surface area of cuboid is 1372 square metre centimetre if its emanation are the ratio of 4 ratio 2 ratio 1 then find its length
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We know that surface area of cuboid= 2(lb+bh+lh)
1372= 2(2x*4X+2x*1x+4x*1x)
1372= 2(8x+2x+4x)
1372/2= 14x
14x= 686
x=49
1372= 2(2x*4X+2x*1x+4x*1x)
1372= 2(8x+2x+4x)
1372/2= 14x
14x= 686
x=49
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