What is the inner curved surface area?
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Step-by-step explanation:
The inner curved surface area = 2πr × Height, the outer curved surface area = 2πR × Height. Solved Examples on Hollow Cylinder: A hollow copper pipe of inner radius 3 cm and outer radius 4 cm is melted and changed into a solid right circular cylinder of the same length as that of the pipe.
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Answer:
Step-by-step explanation:
The inner curved surface area = 2πr × Height,
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