Mathematics · Mensuration

The external diameter of an iron pipe is 20 cm and its length is 12 cm. If the thickness of the pipe is 1 cm, find the total surface area of the pipe (take π = 22 7 ) correct to two places of decimal.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

1,552.57 cm 2

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The external diameter of an iron pipe is 20 cm and its length is 12 cm. If the thickness of the pipe is 1 cm, find the total surface area of the pipe (take &pi; = 22 7 ) correct to two places of decimal.