Question

9. Two cubes, each of side 15 cm are joined end to end. Find the surface area of the resulting cuboids

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Answer 1

Answer:

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Answer 2

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$s.a \: of \: cuboid \: = 2(lb + bh + hl)$

$= 2(30 \times 15 + 15 \times 15 + 15 \times 30)$

$= 2(450 + 225 + 450)$

$= 2 \times 1125$

$= 2250$

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