Question

Find the side of a cube whose surface area is 5400 sq.cm​

Answer 1

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$\huge{\blue{\underline{\purple{\mathbb{AnSwER}}}}}$

See the attachments✌☺________✔

Answer 2

$\underline{\LARGE{\bold{\pink{\mathsf{Solution:}}}}}$

$\large{\mathsf{Given\:that,}}$

$\mathsf{Surface\:area\:of\:cube = 5,400\:sq.cm}$

∴ $\mathsf{6l^2 = 5,400}$

∴ $\mathsf{l^2 = \frac{5,400}{6}}$

∴ $\mathsf{l^2 = 900}$

∴ $\mathsf{l = \sqrt{900}}$

∴ $\boxed{\large{\blue{\mathsf{l = 30\:cm}}}}$

∴ Side of each cube is 30 cm.