Question 45
Mensuration of SolidsIn the figure above, a solid consists of a hemisphere surmounted by a right circular cone, with radius 3.0cm and height 6.0cm. Find the volume of the solid.
- A.18πcm3
- B.36πcm3
- C.54πcm3
- D.108πcm3
Show the answer and explanation
Answer: B (36πcm3)
Explanation
Cone: ⅓π × 3² × 6 = 18π. Hemisphere: ⅔π × 3³ = 18π. Total = 36π cm³.