What is the lateral surface area of a cuboid of length l, breadth b and height h ?

2(lb+bh)

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4(lb+bh+hl)

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2(lh +bh)

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2(lb+bh+hl)

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Solution

The correct option is C 2(lh +bh)

Lateral surface area of a cuboid is the sum of areas of four of its faces, leaving the top and bottom faces.
i.e, sum of lh, lh, bh and bh, which is, 2lh + 2bh.
Therefore, lateral surface area of a cuboid of length l, breadth b and height h is equal to '2lh + 2bh' or '2(l + b)h'.

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