Question

Find the side of cube whose surface area is 5400cm square

Answer 1

Answer:

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Step-by-step explanation:

$area \: ofcube = 6 {a}^{2} \\ 5400 \: c {m}^{2} = 6 {a}^{2} \\ \frac{5400}{6} = {a}^{2} \\ {a}^{2} = 900 \\ {a}^{2} = {(30)}^{2} \\ a = 30 \: cm$