The radius of a hemisphere is 21 cm. Its volume (in cm3) will be: (Use π = 22/7)
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 19404.
The radius of a hemisphere = 21 cm
The volume of the hemisphere = 2/3 πr2
= 2/3 × 22/7 × 212
= 19404 cm3