A closed cylindrical tank of radius 3.5 m and height 2m is made from a sheet of metal. How much sheet of metal is required ?

Explanation:

Total surface area of cylinder:

sheet of metal required = 120.95 cm^2

Explanation:

Given :-

A closed cylindrical tank of radius 3.5 m and height 2 m is made from a sheet of metal.

To Find :-

How much sheet of metal is required.

Formula Used :-

where,

r = Radius

h = Height

Solution :-

Given :

Radius = 3.5 m

Height = 2 m

According to the question by using the formula we get,

⇒ 

⇒ 

⇒ 

⇒ 

➠ 

∴ 121 m² of sheet of metal is required.

object 2 because all the other ones are wrong

it would be c. predictability