Question

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

Solution

## Side of cube $$\left( a \right) = 12 \; cm$$Therefore,Surface area of cube $$= 6 {a}^{2} \\ = 6 \times {\left( 12 \right)}^{2} \\ = 6 \times 144 = 864 \; {cm}^{2}$$Mathematics

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