Question

If the volume is in cm’and
surface area is in cm^2 of a
hemisphere are numerically
equals then the radius of
hemisphere is​

Answer 1

Step-by-step explanation:

Volume (Hemisphere)=32πr3

Surface area=3πr2

∴3πr2=32πr3

⇒r=29

⇒2r=9

⇒d=9.

Answer 2

Answer:

Volume (Hemisphere)=

3

2

πr

3

Surface area=3πr

2

∴3πr

2

=

3

2

πr

3

⇒r=

2

9

⇒2r=9

⇒d=9.