SOLUTION: A metal pipe is 77 cm long, the inner diameter of the cross-section is 4cm and the outer diameter is 4.8cm. Find the inner curved surface area and outer curved surface area and tot

Algebra ->  Surface-area -> SOLUTION: A metal pipe is 77 cm long, the inner diameter of the cross-section is 4cm and the outer diameter is 4.8cm. Find the inner curved surface area and outer curved surface area and tot      Log On


   

Question 1068980: A metal pipe is 77 cm long, the inner diameter of the cross-section is 4cm and the outer diameter is 4.8cm. Find the inner curved surface area and outer curved surface area and total surface area.
Answer by Alan3354(69443) About Me  (Show Source):
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A metal pipe is 77 cm long, the inner diameter of the cross-section is 4cm and the outer diameter is 4.8cm. Find the inner curved surface area and outer curved surface area and total surface area.
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The lateral area (curved surface) = pi%2Ar%5E2%2Ah where h is the length.