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
- The area of a square is 64 sq. cm. What is the length of its side?
- A solid cube is cut into two equal halves by a plane parallel to one of its faces. Find the ratio of the total surface area of one half to the original cube.
- What is the volume of a tetrahedron with edge length 'a'?
- Find the total surface area of a cone whose radius is r/2 and slant height is 2l.
- A cone has a vertical height of 12 cm and a slant height of 13 cm. Find its volume in terms of π.