A cylinder of radius 6 centimetres and height 18 centimetres is melted and recast into spheres of radius 3 centimetres. The number of spheres made from the cylinder is:
A14
B16
C18
D12
A14
B16
C18
D12
Related Questions:
In the given figure, ∠BAC = 70°, ∠ACB = 45° and ∠DEA = 140°. What is the value of ∠BDE?