Math, asked by right65, 1 year ago

the inner dimeter Of a circular well is 3.5 m and height 12m deep find the cost of plastering the inner surface at the rate of ruppes 4 per square

Answers

Answered by ankit4341
0
Hi guys the answer of this question is
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Answered by anupverma
0
curved surface area of cylinder is= 2πrh. so2×22/7×3.5/2×12=132m square. so cost of painting 1m square is ₹4. so cost of 132m square is,= 132×4=₹528
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