Radius of hemisphere is thrice than that...

Radius of hemisphere is thrice than that of a sphere. What is the ratio of total surface area of hemisphere to that of sphere?

A

`27:8`

B

`21:4`

C

`27:4`

D

`6:1`

AI Generated Solution

Similar Questions

Explore conceptually related problems

Radius of hemisphere is twice that of a sphere. What is the ratio of total surface area of hemisphere and sphere ?

Volume and surface area of hemisphere

What is the total surface area of hemisphere if the radius of hemisphere is r.

The volume of a hemisphere is four times that of a sphere. Find the ratio of the radius of the hemisphere to that of the sphere.

The total surface area of a hemisphere of radius 7 cm is

What is the total surface area of a solid hemisphere whose radius is r?

Find the total surface area of a hemisphere of radius 10cm

If the radius of a sphere is equal to the diameter of a hemisphere. Find the ratio of volume of sphere to that of the hemisphere.

The total surface area of a solid hemisphere of radius r is