Mensuration · Question 12 · Hard
A conical tent has base radius 7 m and height 24 m. How much canvas is needed for its curved surface? (Use π = 22/7)
- 704 m²
- 550 m²
- 528 m²
- 1,232 m²
Answer and explanation
Answer: B. 550 m²
Explanation: Slant height = √(7² + 24²) = 25 m. Curved surface = πrl = 22/7 × 7 × 25 = 550 m².
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