Mensurationhard · Past Paper
The volume of a hemisphere is 19404 cm^3. Find its radius.
A14 cm
B21 cm
C28 cm
D7 cm
✓ Correct Answer: B — 21 cm
(2/3)*(22/7)*r^3 = 19404 → r^3 = 9261 → r = 21 cm.
Share this question
More from Mensuration
- How many cubic centimeters are in 1 liter?
- The edge of a cube is increased by 50%. What is the percentage increase in its volume?
- Find the curved surface area of a cone with radius 7 cm and slant height 10 cm.
- If the side of a cube is 1.2 m, its volume is:
- A solid cylinder has a radius of 2 cm and a height of 7 cm. Find its volume.