Question
Sat February 12, 2011 By: Leya Mathews

the exterior diameter of an iro pipe is 25 cm and it is one cm thick .fi nd the whole surface area of the pipe if it is 21 cm long

Expert Reply
Sun February 13, 2011
Dear Student,
Here is the solution:
R = external radius
r= internal radius
h= length of the pipe
 
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Team Topperlearning
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