Question discussion

The volume of a cube is 512 cm³. Its total surface area is

1451Medium DSSSB TGT Computer Science 0 replies

The volume of a cube is 512 cm³. Its total surface area is

  • A256 cm²
  • B384 cm²
  • C400 cm²
  • D512 cm²
Correct answer: B

Explanation

The edge is ∛512 = 8 cm, so the total surface area is 6 × 8² = 384 cm².

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