Flag 9 grade maths> 6. It costs Rs. 2200 to paint the inner c...
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6. It costs Rs. 2200 to paint the inner curved surface of a cylindrical vessel JO m deep. If the cost of painting is at the rate of r 20 per m2, find (i) inner curved surface area o( the vessel, (il,j radius of the base, (iii) capacity of the vessel.

Harshit Singh , 4 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 4 Years ago

Cost of the painting is 2200, if rate is 20 per mz. (i) Inner curved surface area = 2:° = 110 m2 198 (ii) 2rrrh = 110 2 x 22 x r x 10 = 110 7 7 r = - 4 m = 1.75 m (iii,) Capacity of the vessel = 'lri1'h = 22 x x x 10 m3 7 4 4 = 96.25 ms.
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