Total surface area of a Hollow Cylinder or Pipe | in Hindi



This video in hindi explains how to find out the total surface area of a hollow cylinder or pipe. The total surface area of a hollow cylinder is 2π ( r1 + r2 )( r2 – r1 +h), where, r1 is inner radius, r2 is outer radius and h is height.

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Post time: Jun-21-2017
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