The surface area of a cube is 1176 cm2- Find its volume-

Let a be the length of the edge of the cube.Total surface area=6a2=1176 #160;cm2 #8658;a=11766=196=14 #160;cm nbsp; there4; Volume=a3=143=2744 #160; ...

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Standard VIII

Mathematics

Surface Area of a Cube

The surface a...

Question

The surface area of a cube is 1176 cm². Find its volume.

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Solution

Let a be the length of the edge of the cube.
Total surface area $= 6 a^{2} = 1176 c m^{2}$
$\Rightarrow a = \sqrt{\frac{1176}{6}} = \sqrt{196} = 14 c m$
∴ Volume $= a^{3} = 14^{3} = 2744 c m^{3}$

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The surface area of a cube is 1176 cm2. Find its volume.

Let a be the length of the edge of the cube.Total surface area=6a2=1176 cm2⇒a=11766=196=14 cm ∴ Volume=a3=143=2744 cm3

The surface area of a cube is 1176 cm². Find its volume.

Let a be the length of the edge of the cube.
Total surface area $= 6 a^{2} = 1176 c m^{2}$
$\Rightarrow a = \sqrt{\frac{1176}{6}} = \sqrt{196} = 14 c m$
∴ Volume $= a^{3} = 14^{3} = 2744 c m^{3}$