The height and base radius of a right circular cylinder are 9 cm and 6 cm respectively. If the base radius becomes half and height increases by 3 cm, then which of the following describes the new volume of the cylinder?
1
The new volume will be thrice the original volume.
2
The new volume will be one-third the original volume.
3
The new volume will be twice the original volume.
4
The new volume will be half the original volume.