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Surface Areas and Volumes

  • Surface areas of cuboid:


Lateral surface area of the cuboid = 2h (l + b)

Total surface area of the cuboid = 2 (lb + bh + hl)

Note: Length of the diagonal of a cuboid =


Find the edge of a cube whose surface area is 294 m2.


Let the edge of the given cube be a.

 Surface area of the cube = 6a2

Given, 6a2 = 294

  • Surface areas of cube…

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