Find the total surface area of a cube with edge 6 cm. - Vidyadip

Question

Find the total surface area of a cube with edge 6 cm.

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Answer

Total Surface Area $=6 a^2$ where a is the length of the edge.
Given that the edge of the cube is a=6 cm.
Substitute the value of a into the formula:
$\begin{array}{l}\text { Total Surface Area }=6 \times(6 cm)^2 \\ \text { Total Surface Area }=6 \times\left(36 cm^2\right) \\ \text { Total Surface Area }=216 cm^2\end{array}$
The total surface area of the cube is $216 cm^2$.

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