Q. The lateral surface area of a cube of edge 9 cm is:

  • (A) 243 cm²
  • (B) 324 cm²
  • (C) 486 cm²
  • (D) 729 cm²
✅ Correct Answer: (B) 324 cm²
Explanation: LSA = 4 × 9² = 4 × 81 = 324 cm².

Published by Mahesh Chandra ⭐ 7.32K Points at 15-Jul-2026 09:22 pm in Math

Explanation by: Mahesh Chandra
LSA = 4 × 9² = 4 × 81 = 324 cm².

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