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SSC MTS 2018 · PYQ · Mensuration · medium

The edge of a cube is 8 cm. What is the total surface area of the cube?

Answer

The correct answer is A: 384 cm². Total surface area of a cube = 6a² = 6 × 8² = 6 × 64 = 384 cm².

  1. A.384 cm²✓ Correct
  2. B.256 cm²
  3. C.484 cm²
  4. D.128 cm²

Explanation

Total surface area of a cube = 6a² = 6 × 8² = 6 × 64 = 384 cm².
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