Math, asked by amishasingh1, 1 year ago

An iron pipe 20cm long has external diameter equal to 25cm. if the thickness of the pipe is 1cm , find the whole surface of the pipe

Answers

Answered by anant3411

0

TSA of pipe = πRsquareh-πrsquareh
=3077.2 square

Answered by 1Rachit1

2

25cm -20cm +1 =6cm is answer

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