Question

A closed cylindrical tank of radius 8 m and height 6 m is made from a sheet of metal. How much sheet of metal is required ?​

Answer 1

Answer:

Given, radius r=7 m and height h=3 m

Total surface area =2πr(r+h)

=2π×7(7+3)

=2π(7)(10)

=440 m

2

Sheet of metal required⇒440 m

2