If the surface area of a cube is $1536 c m^{2}$ , then the length of the side of the cube is

0.16 m

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1.6 c m

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1.6 m

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160 c m

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Solution

The correct option is A $0.16 m$
The surface area of a cube = $6 a^{2}$ .

So, $6 a^{2} = 1536$

$a^{2} = 256$

$a = \pm 16 c m$

Since length cannot be negative, $a = 16 c m$

$1 m = .01 c m$ ,
Hence $16 m$ = $0.16 m$ .

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Similar questions

Find the length of the side of a cube whose surface area is $1536 c m^{2}$ .

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