A metal pipe is 77cm long, the inner diameter of the cross-section is 4cm and the outer diameter is 4.8cm. Find the (i) Inner Curved Surface (ii) Outer Curved Surface (iii) Total Surface Area.
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i think this might help you
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ArjunIsCool:
srry, wrng answr
we both have done mistake
divide the answer by 2 and check whether that's the answer
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this is your answer
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im sorry but this is wrong too
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