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Question

The length of the diagonal of a cube is 4√3 cm. Calculate the total surface area of the cube.

WBBSE Class X Mathematics Rectangular Parallelopiped or Cuboid 02 Mark 2022

Answer

Diagonal = 4√3

⇒ a√3 = 4√3 (where a = side)

⇒ a = 4

TSA = 6a² = 6 × 16 = 96 cm²

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