The volume of a hemisphere is 2425½cm3. Find its radius.
(Take π = 22/7)
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 10.5 cm
The volume of hemisphere = 2425.5
2/3 × π × r3 = 2425.5
r3 = 1157.625
r = 10.5 cm.