The radius of a hemisphere is 7cm, find its volume.
- A718.67cubic cm
- B1437.34cubic cm
- C239.56cubic cm
- D359.34cubic cm
Solution & Step-by-step Explanation
The formula for the volume of a hemisphere is:
V=
3
2
πr
3
Given r=7cm:
V=
3
2
×
7
22
×7×7×7
V=
3
2×22×49
=
3
2156
≈718.67cubic cm
V=
3
2
πr
3
Given r=7cm:
V=
3
2
×
7
22
×7×7×7
V=
3
2×22×49
=
3
2156
≈718.67cubic cm