Math, asked by arvind74, 1 year ago

a 20 m long pipe has an external diameter 25 cm and its thickness 1 cm find its whole surface area

Answers

Answered by 9GULSHAN1
1
500 is the answer of this questions

9GULSHAN1: it isgive in my book
arvind74: are you student of which class
9GULSHAN1: why
arvind74: i want
9GULSHAN1: no idont say
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