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t ter curved surlace areaow cylindrical pipe has inner circumference 44 dm and outer 45 dmn both sides (inside as well as outside) at 2 per m? if length is 3.5 m9, A hollow |
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Answer» Inner circumference = 44dm = 4.4mouter circumference = 45dm = 4.5 mlength = 3.5minner CSA = 4.4×3.5 = 15.4 m²outer CSA = 4.5×3.5 = 15.75 m²total = 15.4 + 15.75 = 31.15 m²cost = Rs. 2 per m²total cost = 31.15×2 = Rs.62.30 |
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