Question 42
Mensuration of SolidsThe volume of a hemispherical bowl is 718⅔ cm3. Find its radius. [π = 22/7]
- A.4.0 cm
- B.5.6 cm
- C.7.0 cm
- D.3.8 cm
Show the answer and explanation
Answer: C (7.0 cm)
Explanation
(2/3) × 22/7 × r3 = 2156/3, so r3 = 2156/3 × 3/2 × 7/22 = 343 and r = 7cm.