Math, asked by samrudhi15, 1 year ago

an iron pipe 20 cm long has exterior diameter 25 cm and thickness 1 cm find the surface area of the pipe

Answers

Answered by Toyshi20

1

Answer:

radius=d/2

25/2=12.5

radius of interior=11.5

area=πr square

=3.14×11.5×11.5

=415.265

hope it helps you

fallow me

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