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A tent of height 77 dm is in the form of a right circular cylinder of diameter 36 m and height 44 dm surmounted by a right circular cone. Find the cost of the canvas at Rs. 350 per m2 (Use it = 22/7).

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Given that height of a tent = 77dm 

Height of a surmounted cone = 44 dm 

Height of cylinder part = 77 -  44

= 33 dm = 3.3 m

Given diameter of cylinder (d) = 26m 

Radius (r) = 36/2 = 18m

Let ‘l’ be slant height of cone

Total curved surface area (S) = 1532.46m2

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