Q. A cone has radius 9 cm and height 12 cm. Its slant height is:

  • (A) 12 cm
  • (B) 15 cm
  • (C) 18 cm
  • (D) 21 cm
✅ Correct Answer: (B) 15 cm
Explanation: l = √(9²+12²) = √225 = 15 cm.

Published by Krishna Sharma ⭐ 48.25K Points at 15-Jul-2026 07:13 am in Math

Explanation by: Krishna Sharma
l = √(9²+12²) = √225 = 15 cm.

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