Find the length of the side of a cube whose surface area is 1536 cm 2-A- 0-16 mB- 16 cmC- 1-6 mD- 160 cm

The correct options are A 0.16 m B 16 cm The surface area of a cube is equal to 6a^2. So, nbsp;6a^2 = 1536 a^2 = 256 a = ±16 Since length can #39;t be ne ...

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Standard VII

Mathematics

Surface Area of Cube

Find the leng...

Question

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

$0.16 m$

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$16 c m$

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$1.6 m$

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$160 c m$

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Solution

The correct options are
A
$0.16 m$

B
$16 c m$

The surface area of a cube is equal to $6 a^{2}$ .

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

$a^{2} = 256$

$a = \pm 16$

Since length can't be negative, $a = 16 c m = 0.16 m$

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Find the length of the side of a cube whose surface area is 1536 cm2.

The correct options are A 0.16 m B 16 cm The surface area of a cube is equal to 6a2. So, 6a2=1536 a2=256 a=±16 Since length can't be negative, a=16 cm=0.16 m

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

The correct options are
A
$0.16 m$

B
$16 c m$

The surface area of a cube is equal to $6 a^{2}$ .

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

$a^{2} = 256$

$a = \pm 16$

Since length can't be negative, $a = 16 c m = 0.16 m$