Question 35
Mensuration of SolidsFind the volume of a cone of radius 3.5cm and vertical height 12cm. (Take π = 22/7)
- A.3.4cm3
- B.15.5cm3
- C.21.0cm3
- D.42.0cm3
- E.154.0cm3
Show the answer and explanation
Answer: E (154.0cm3)
Explanation
V = ⅓πr2h = ⅓ × 22/7 × 3.5 × 3.5 × 12 = 154.0 cm³.