Math, asked by prerna9255, 1 year ago

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

Answers

Answered by himanshu9719
3
total surface area of cylinder = 2πr(h+r)
=2×22/7×12.5(20+12.5)
=2553.52
Similar questions