Question

TSA of cube side is 21 cm​

Answer 1

Answer:

Side of a cube is 21 cm

TSA = 6a2 = 6 x 21 x 21 = 2646 cm2.

Step-by-step explanation:

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Answer 2

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