Question

11. A closed cylinder tank of radius 3.5 m and height 6 m is made from a sheet of metal. How much sheet of

metal is required?​

Answer 1

Step-by-step explanation:

you have to find the C.S.A. of the cylinder

Answer 2

Answer:

pls mark my answer as brainlist and please thank my answers

Step-by-step explanation:

Given:

Radius r=7m, height =3m

We need to find the total surface area of a cylinder

 

=2πr(r+h)

=2×722×7(7+3)=440 sq meter

So, 440 sq m sheet of metal is required.