Find the curved (lateral) surface area of right clearan cylleder
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Answer :- Curved surface area of a hollow cylinder = 2 π R h + 2 π r h where R is the external radius and r is the internal radius.
Curved surface area of a hollow cylinder = 2 π R h + 2 π r h where R is the external radius and r is the internal radius.
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Answer:
curved surface area of cylinder = 2 pie r h
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