Answer to Question #221527 in Geometry for Nayla

Question #221527

Surface area of a cube is 27 square centimeters. Calculate the length of the sides of the cube

Expert's answer

surface area of a cube =area of one side "\\times 6"

let the area of one side be x

"x\\times 6=27\\\\6x=27\\\\x=4.5cm^2"

"area=length squared\\\\=l^2\\\\4.5=l^2\\\\\\sqrt{4.5}=l\\\\l=2.12"

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