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Total Surface Area of a cube

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Question

Find the total surface area of cubes having the following sides.
$6.8 m$

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Solution

Given TSA of cube $= 6 a^{2}$ .
Given side of cube $= 6.8 m$
then
$T S A = 6 \times (6.8)^{2}$
$T S A = 6 \times 46.24$
$T S A = 277.44 m^{2}$

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