Question

find TSA of cube whose
side is 21 cm​

Answer 1

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Answer 2

$\begin{gathered} = \sf \: TSA \: of \: a \: cube = 6l {}^{2} \\ \\ \sf = TSA \: of \: a \: cube = 6×21^2 \\ \\ \sf=TSA=2646cm^2\end{gathered})$