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Total Surface Area of a Cuboid

For equal cub...

Question

For equal cubes are joined to form a bigger block of volume $32$ cubic $c m$ . Find the side of each cube.

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Solution

Let edge of cube $= a$
so, edges of new block $= a, 2 a, 2 a$
Now, volume of new block $= (a) (2 a) (2 a) = 32$
$\Rightarrow 4 a^{3} = 32$
$a^{3} = 8$
$s = 2 c m$
so, edge of cube $2 c m$
Hence, the answer is $2 c m .$

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