A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4 cm(see Figure). Find its (i) inner curved surface area,(ii) outer curved surface area,(iii) total surface area.

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Inner radius of cylindrical pipe Outer radius of cylindrical pipe Height (h) of cylindrical pipe = Length of cylindrical pipe = 77 cm (i) CSA of inner surface of pipe (ii) CSA of outer surface of pipe (iii) Total surface area of pipe = CSA of inner surface + CSA of outer surface + Area of both...
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Inner radiusof cylindrical pipe Outer radiusof cylindrical pipe Height (h) of cylindrical pipe = Length of cylindrical pipe = 77 cm (i) CSA of inner surface of pipe (ii) CSA of outer surface of pipe (iii) Total surface area of pipe = CSA of inner surface + CSA of outer surface + Area of both circular ends of pipe Therefore, the total surface area of the cylindrical pipe is 2038.08 cm2. read less
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