Question

The dimensions of a cuboid are in the ratio 4 : 3 : 2. The total surface area will be

Answer 1

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Let the dimensions be 4x, 3x, 2x

Surface area of cuboid = 2(L + B + H)

=> 2(4x + 3x + 2x)

=> 2 × 9x

=> 18x cm²

Answer 2

Answer:

$total \: surface \: are a \: of \: cuboid = 2(l b + bh + hl)$

$2(4 \times 3 + 3 \times 2 + 2 \times 4)$

$2(12 + 6 + 8)$

$2(26)$

$2 \times 26$

$52$

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