Q. The face diagonal of a cube is 10√2 cm. The edge of the cube is:

  • (A) 5 cm
  • (B) 10 cm
  • (C) 20 cm
  • (D) 5√2 cm
✅ Correct Answer: (B) 10 cm
Explanation: Face diagonal = a√2. Hence a = (10√2)/√2 = 10 cm.

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

Explanation by: Mahesh Chandra
Face diagonal = a√2. Hence a = (10√2)/√2 = 10 cm.

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