Find the side of a cube whose surface area is 2400 cm2. – InterviewSolution

1.

Find the side of a cube whose surface area is 2400 cm2.

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✯✯ QUESTION ✯✯

Find the side of a CUBE WHOSE surface area is 2400 cm2.

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✰✰ ANSWER ✰✰

$Side\:of\:cube=?$

$S.A\:of\:cube= {2400cm}^{2}$

${6a}^{2}= {2400cm}^{2}$

$6 × a × a = 2400$

$a×a = \cancel\dfrac{2400}{6}⟹400$

$a × a = \sqrt{400}$

$a = 20cm$

Each side of cube = 20cm...

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