Q. A cuboid has dimensions 12 cm × 9 cm × 8 cm. Its space diagonal is:
✅ Correct Answer: (B)
17 cm
Explanation: Diagonal = √(12² + 9² + 8²) = √289 = 17 cm.
Explanation by: Mahesh Chandra
Diagonal = √(12² + 9² + 8²) = √289 = 17 cm.