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If the external diameter of a pipe is 25 cm and the thickness is 1 cm , find the total surface area. |
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Answer» Total surface area=CSA of outside cylinder+ CSA of inside cylinder+2*area of ring. `=2piRh+2pirh+2pi(r^2-r^2)` `=2pi(25/2h+23/2h+(25/2+23/2)(25/2-23/2))` `TSA=48pi(h+1)`. |
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