Question

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A cylindrical metallic pipe is 21 cm long. The difference between the outside and inside curved surface is 66 cm². If the pipe is made up at 148.5 cm² metal. Find the outer and inner radius of the pipe​

Answer 1

Answer:

A cylindrical metallic pipe is 21 cm long. The difference between the outside and inside curved surface is 66 cm². If the pipe is made up at 148.5 cm² metal. Find the outer and inner radius of the pipe

Answer 2

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• Note the above attachment!❤