Math, asked by aravindpramod7, 1 year ago

an iron pipe 20 cm long is an exterior diameter equal to 25 CM if the thickness of the pipe is 1 cm then find the whole surface area of the pipe

Answers

Answered by dhino

2

Answer:

Step-by-step explanation:

2piR×h

2×pi×20×25/2

Pi×25×20

Pi500

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