The radius of a hemisphere is 9cm. Its volume will be:
- A712πcm
3 - B243πcm
3 - C486πcm
3 - D972πcm
3
Solution & Step-by-step Explanation
The formula for the volume of a hemisphere is:
Volume=
3
2
πr
3
Given radius (r) = 9cm:
Volume=
3
2
×π×(9)
3
Volume=
3
2
×π×729
Volume=2×π×243=486πcm
3
Volume=
3
2
πr
3
Given radius (r) = 9cm:
Volume=
3
2
×π×(9)
3
Volume=
3
2
×π×729
Volume=2×π×243=486πcm
3