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34. A circus tent is cylindrical to a height of 3 m and conical aboveitbase radius is 52.5 m and the slant height of the conical portion is 9),find the area of canvas needed to make the tent.​

Answer»

Given :-

  • Height of cylinderical part = 3m.
  • BASE radius = 52.5m .
  • Slant height of conical portion = 9m .

To Find :-

  • Area of canvas needed to MAKE the tent. ?

Formula used :-

  • Area of canvas needed to make the tent = CSA of cone + CSA of cylinder .
  • CSA of cone = π * radius * slant Height .
  • CSA of cylinder = 2 * π * radius * Height .

Solution :-

Putting VALUES we get :-

→ Area of canvas needed to make the tent = π * 52.5 * 9 + 2 * π * 52.5 * 3

→ π * 52.5 [ 9 + 2*3 ]

→ π * 52.5 * 15

→ (22/7) * 52.5 * 15

→ 22 * 7.5 * 15

→ 2475m².

Hence, Area of canvas needed to make the tent is 2475m².



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