(d) 512 cubic metre
Explanation
Side faces of a cube = 256sqm
∴ Area of one surface =\frac{256}{4} = 64sqm.
[∴ Each side of the cube =\sqrt{64} = 8m
∴ Volume of the cube = (8)3 = 512 m3
Question
The surface area of a cube is 256 sq m, the volume of the cube is (a) 64 cubic metre (b) 216 cubic metre (c) 256 cubic metre (d) 512 cubic metre [Hints: The number of surfaces is 6]
- AAAAA Cube and Cuboid
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