Question

A Hemispherical tank is made up of an iron sheet 2 cm thick. if its inner radius is 2 metre then find the volume of iron used to make the tank?​

Answer 1

Step-by-step explanation:

Answer

Given:

⇒Inner radius r

l

=1m=r

1

⇒Thickness =1cm=0.01m

⇒Outer radius =1+0.01=1.01m=r

0

⇒Volume of iron used

=

3

2

π(r

0

2

−r

l

2

)

=

3

2

×

7

22

×((1.01)

3

−(1)

3

)

=0.0634cm

3