an iron pipe having outer radius of 4cm is 5m long. its curved surface area has to be painted. find the cost of painting it at the rate of rupees 14 per sq.m.
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Answered by
15
curved surface area of pipe = 2πrh
= 2×22^7×0.04×5
= 1.25 m sq.
cost of painting pipe = 1.25×14
= RS. 17.5
= 2×22^7×0.04×5
= 1.25 m sq.
cost of painting pipe = 1.25×14
= RS. 17.5
Answered by
5
Answer:
The answer is ₹ 17.6
Hope it will help you
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