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A circus tent is cylindrical up to a height of 3 m and conical above it. If its diameter is 105m and the slant height of the conical part is 63 m, then the total area of the canvas required to make the tent is take ( π = 22/7)
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- 11385 m²
- 10395 m²
- 9900 m²
- 990 m²
- 11385 m²
Correct Option: A
Total area of the canvas = 2πrh + πrl = πr (2h + l)
| = | × | (2 × 3 + 63) | ||
| 7 | 3 |
| = | × | × 69 | ||
| 7 | 3 |
= 11385 sq.metre
