Question

(8)A closed cylindrical tank of radius 7 m and height 3 m is made from
a sheet of metal. How much sheet of metal is required ?​

Answer 1

Answer:

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×

7

22

​

×7(7+3)=440 sq meter

So, 440 sq m sheet of metal is required

Answer 2

Step-by-step explanation:

hope you all understand