Find the volume of a cubical box whose surface area is 486 cm square
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Step-by-step explanation:
Surface area of the cube = 486 cm square
Let each side of the cube be x cm
We know that,
Surface area of a cube=6x square
According to the problem,
6x square = 486
x square = 486÷6
=81
x = square root of 81
= 9 cm
Volume of a cube = (x) cube
= (9)cube centimetre cube
= 729 centimetre cube
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