Question

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

Answer 1

Surface area of a cube
$= 6 {a}^{2}$
$= > 6 {a}^{2} = 5400 \\ = > {a}^{2} = 900 \\ = > a = \sqrt{900} = 30 {cm}$




Therefore,
Side of cube is 30cm.




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