the dimensions of a cuboid are in a ratio 3:2:1 and the total surface area is 1078cm^2 find the length of it's one diagonal
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Answer:
Total surface area of a cuboid =2(l×b+b×h+l×h)
Given, total surface area of the cuboid =88m
2
⇒2(x×2x+2x×3x+x×3x)=88m
2
⇒22x
2
=88
⇒x=2
Hence, the length of the cuboid =x=2m, breadth =2x=4m, height =3x=6m
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Answer:
2m, 4m, 6m
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