The side of a cube is $12 c m$ . Find the total surface area of cube.

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Solution

Side of cube $(a) = 12 c m$
Therefore,
Surface area of cube $= 6 a^{2} = 6 \times {(12)}^{2} = 6 \times 144 = 864 {c m}^{2}$

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The side of a cube is 12 cm. Find the total surface area of cube.

Side of cube (a)=12cmTherefore,Surface area of cube =6a2=6×(12)2=6×144=864cm2

The side of a cube is $12 c m$ . Find the total surface area of cube.

Side of cube $(a) = 12 c m$
Therefore,
Surface area of cube $= 6 a^{2} = 6 \times {(12)}^{2} = 6 \times 144 = 864 {c m}^{2}$